diff --git a/Base/XBaseStringResourceProvider.cs b/Base/XBaseStringResourceProvider.cs
new file mode 100644
index 0000000..6971600
--- /dev/null
+++ b/Base/XBaseStringResourceProvider.cs
@@ -0,0 +1,349 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.NetworkInformation;
+using System.Threading.Tasks;
+using xCommons.Configurations;
+using xCommons.Extensions;
+using xExceptions.Constants;
+using xModels.Dtos;
+using xStringService.Extensions;
+using xStringService.Interfaces;
+using xStringService.Models.Dtos;
+
+namespace xStringService.Base
+{
+    /// <summary>
+    /// a Base Class for Handling Resources Based on Specified Types on
+    /// String Resources Use ...
+    /// such as:
+    /// - Terms and Conditions;
+    /// - Contents;
+    /// - News;
+    /// - etc ...
+    /// </summary>
+    public abstract class XBaseStringResourceProvider : IXBaseStringResourceProvider
+    {
+        //
+        #region Props ...
+        public string Prefix { get; }
+        public IXStringProvider Provider { get; }
+        public XAppConfiguration AppConfiguration { get; }
+        #endregion
+
+        //
+        #region Constructor ...
+        public XBaseStringResourceProvider(
+            string prefix,
+            IXStringProvider provider,
+            XAppConfiguration appConfiguration
+        )
+        {
+            //
+            Prefix = prefix;
+            Provider = provider;
+            AppConfiguration = appConfiguration;
+        }
+        #endregion
+
+        //
+        #region Actions ...
+        /// <summary>
+        /// Prepare Resource Title by Given Data ...
+        /// </summary>
+        /// <param name="suffix"></param>
+        /// <returns></returns>
+        public string GetResourceTitle(string suffix)
+        {
+            //
+            string result = "";
+
+            //
+            if (suffix.IsNullOrEmpty())
+            {
+                return result;
+            }
+
+            //
+            result = $"{Prefix}_${suffix}";
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Add Specified Locales ...
+        /// </summary>
+        /// <param name="suffix"></param>
+        /// <param name="locales"></param>
+        /// <returns></returns>
+        public async Task<IEnumerable<XStringDto>> Add(
+            string suffix,
+            IEnumerable<XLocaleResourceDto> locales
+        )
+        {
+            //
+            // Validate ...
+            var has =
+                locales.HasChild() &&
+                !suffix.IsNullOrEmpty();
+            if (!has)
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Prepare Resource ID ...
+            string resourceID = GetResourceTitle(suffix);
+            var result = await locales.SelectAsync(async l =>
+            {
+                //
+                // Normalize Language ...
+                if (l.Language.IsNullOrEmpty())
+                {
+                    l.Language = AppConfiguration.DefaultLanguage;
+                }
+
+                //
+                // Prepare Model for Add ...
+                var model = new XStringDto
+                {
+                    Language = l.Language,
+                    TranslatedValue = l.Value,
+                    ResourceTitle = resourceID,
+                };
+                model = await Provider.AddEntity(model);
+                return model;
+            });
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Add Or Update Specified Locals ...
+        /// </summary>
+        /// <param name="resource"></param>
+        /// <param name="locales"></param>
+        /// <returns></returns>
+        public async Task<IEnumerable<XStringDto>> AddOrUpdate(
+          string resource,
+          IEnumerable<XLocaleResourceDto> locales
+        )
+        {
+            //
+            // Validate ...
+            bool isValid =
+                locales.HasChild() &&
+                !resource.IsNullOrEmpty() &&
+                locales.All(l => !l.Value.IsNullOrEmpty() && !l.Language.IsNullOrEmpty());
+            if (!isValid)
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Check Resource ...
+            isValid = resource.Contains(Prefix);
+            if (!isValid)
+            {
+                XException.NotAllowed.Throw();
+            }
+
+            //            
+            var result = await locales.SelectAsync(async l =>
+                await Provider.AddOrUpdateByLocaleResource(
+                    item: l,
+                    resource: resource
+                )
+            );
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Get Specified Locale ...
+        /// </summary>
+        /// <param name="suffix"></param>
+        /// <param name="language"></param>
+        /// <returns></returns>
+        public async Task<XLocaleResourceDto> GetLocale(
+            string suffix,
+            string language = null
+        )
+        {
+            //
+            // Normalize ...
+            if (language.IsNullOrEmpty())
+            {
+                language = AppConfiguration.DefaultLanguage;
+            }
+
+            //
+            // Validate ...
+            if (suffix.IsNullOrEmpty() || language.IsNullOrEmpty())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Prepare Resource Title ...
+            string resource = GetResourceTitle(suffix);
+
+            //
+            // Check Resource Exists ...
+            var isExists = await Provider.IsResourceExists(
+                resource: resource,
+                language: language
+            );
+            if (!isExists)
+            {
+                XException.NotFound.Throw();
+            }
+
+            //
+            // Retrieve and Validate Dto Model ...
+            var model = await Provider.Get(
+                resource: resource,
+                language: language
+            );
+            if (model.IsNullOrDefault())
+            {
+                XException.ActionFailed.Throw();
+            }
+
+            //
+            // Prepare Result ...
+            var result = model
+                .ToXLocaleResourceDto();
+            return result;
+        }
+
+        /// <summary>
+        /// Add Specified Resource ...
+        /// </summary>
+        /// <param name="suffix"></param>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public async Task<XResourceDto> AddResource(
+            string suffix,
+            XResourceDto item
+        )
+        {
+            //
+            // Validate ...
+            if (suffix.IsNullOrEmpty() ||
+                item.IsNull() ||
+                !item.Locales.HasChild() ||
+                !item.Locales.All(l => !l.Value.IsNullOrEmpty()))
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Prepare Resource ID ...
+            var addedLocals = await Add(suffix, item.Locales);
+            if (!addedLocals.HasChild())
+            {
+                XException.ActionFailed.Throw();
+            }
+
+            //
+            var result = await GetResource(suffix);
+            return result;
+        }
+
+        /// <summary>
+        /// Get Resources of Specified Resource ...
+        /// </summary>
+        /// <param name="suffix"></param>
+        /// <returns></returns>
+        public async Task<XResourceDto> GetResource(string suffix)
+        {
+            //
+            // Validate ...
+            if (suffix.IsNullOrEmpty())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Prepare Resource ID ...
+            string resourceID = GetResourceTitle(suffix);
+
+            //
+            // Prepare ...
+            var result = await Provider.GetResource(resourceID);
+            return result;
+        }
+
+        /// <summary>
+        /// Remove Specified Suffix Resources ...
+        /// </summary>
+        /// <param name="suffix"></param>
+        /// <returns></returns>
+        public async Task Remove(string suffix)
+        {
+            //
+            // Validate ...
+            if (suffix.IsNullOrEmpty())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            var resourceID = GetResourceTitle(suffix);
+            await Provider.RemoveResource(resourceID);
+        }
+
+        /// <summary>
+        /// Remove Specified Resource ...
+        /// </summary>
+        /// <param name="resource"></param>
+        /// <param name="language"></param>
+        /// <returns></returns>
+        public async Task Remove(
+            string resource,
+            string language
+        )
+        {
+            //
+            // Validate ...
+            bool isValid =
+                !resource.IsNullOrEmpty() &&
+                !language.IsNullOrEmpty();
+            if (!isValid)
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Check resource ID Contains Prefix ...
+            isValid = resource.Contains(Prefix);
+            if (!isValid)
+            {
+                XException.NotAllowed.Throw();
+            }
+
+            //
+            // Check Exists ...
+            var isExists = await Provider.IsResourceExists(
+                resource: resource,
+                language: language
+            );
+            if (!isExists)
+            {
+                XException.NotFound.Throw();
+            }
+
+            //
+            // Remove Resource ...
+            await Provider.Remove(
+                resource: resource,
+                language: language
+            );
+        }
+        #endregion
+    }
+}
\ No newline at end of file
diff --git a/DI/XDIHelperExtension.cs b/DI/XDIHelperExtension.cs
index 965c7f5..fcdf962 100644
--- a/DI/XDIHelperExtension.cs
+++ b/DI/XDIHelperExtension.cs
@@ -4,6 +4,7 @@ using xExceptions.Constants;
 using xCommons.Extensions;
 using xStringService.Interfaces;
 using xStringService.Providers;
+using xStringService.Interfaces.Entities;
 
 namespace xStringService.DI
 {
@@ -74,6 +75,18 @@ namespace xStringService.DI
                 throw exception;
             }
 
+            //
+            // Check String Repository Exists ...
+            var isStringRepositoryExists = !services
+                .GetRegisteredService<IXStringRepository>()
+                .IsNull();
+                if (!isStringRepositoryExists)
+            {
+                //
+                Log("AddStringService failed, IXStringRepository not provided ...");
+                throw exception;
+            }
+
             //
             services.Add(new ServiceDescriptor(typeof(IXStringProvider), typeof(XStringProvider), lifeTime));
             Log("AddStringService Succeed ...");
diff --git a/Interfaces/IXBaseStringResourceProvider.cs b/Interfaces/IXBaseStringResourceProvider.cs
new file mode 100644
index 0000000..50217ad
--- /dev/null
+++ b/Interfaces/IXBaseStringResourceProvider.cs
@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using xCommons.Configurations;
+using xModels.Dtos;
+using xStringService.Models.Dtos;
+
+namespace xStringService.Interfaces
+{
+  public interface IXBaseStringResourceProvider
+  {
+    //
+    #region Props ...
+    string Prefix { get; }
+    IXStringProvider Provider { get; }
+    XAppConfiguration AppConfiguration { get; }
+    #endregion
+
+    //
+    #region Actions ...
+    /// <summary>
+    /// Prepare Resource Title by Given Data ...
+    /// </summary>
+    /// <param name="suffix"></param>
+    /// <returns></returns>
+    string GetResourceTitle(string suffix);
+
+    /// <summary>
+    /// Add Specified Locales ...
+    /// </summary>
+    /// <param name="suffix"></param>
+    /// <param name="locales"></param>
+    /// <returns></returns>
+    Task<IEnumerable<XStringDto>> Add(
+      string suffix,
+      IEnumerable<XLocaleResourceDto> locales
+    );
+
+    /// <summary>
+    /// Add Or Update Specified Locals ...
+    /// </summary>
+    /// <param name="resource"></param>
+    /// <param name="locales"></param>
+    /// <returns></returns>
+    Task<IEnumerable<XStringDto>> AddOrUpdate(
+      string resource,
+      IEnumerable<XLocaleResourceDto> locales
+    );
+
+    /// <summary>
+    /// Get Specified Locale ...
+    /// </summary>
+    /// <param name="suffix"></param>
+    /// <param name="language"></param>
+    /// <returns></returns>
+    Task<XLocaleResourceDto> GetLocale(
+      string suffix,
+      string language = null
+    );
+
+    /// <summary>
+    /// Add Specified Resource ...
+    /// </summary>
+    /// <param name="suffix"></param>
+    /// <param name="item"></param>
+    /// <returns></returns>
+    Task<XResourceDto> AddResource(
+      string suffix,
+      XResourceDto item
+    );
+
+    /// <summary>
+    /// Get Resources of Specified Resource ...
+    /// </summary>
+    /// <param name="suffix"></param>
+    /// <returns></returns>
+    Task<XResourceDto> GetResource(string suffix);
+
+    /// <summary>
+    /// Remove Specified Suffix Resources ...
+    /// </summary>
+    /// <param name="suffix"></param>
+    /// <returns></returns>
+    Task Remove(string suffix);
+
+    /// <summary>
+    /// Remove Specified Resource ...
+    /// </summary>
+    /// <param name="resource"></param>
+    /// <param name="language"></param>
+    /// <returns></returns>
+    Task Remove(
+        string resource,
+        string language
+    );
+    #endregion
+  }
+}
\ No newline at end of file
diff --git a/Interfaces/IXStringProvider.cs b/Interfaces/IXStringProvider.cs
index 32d3cc8..2d3b82e 100644
--- a/Interfaces/IXStringProvider.cs
+++ b/Interfaces/IXStringProvider.cs
@@ -38,6 +38,17 @@ namespace xStringService.Interfaces
             string resource,
             string language = null
         );
+        
+        /// <summary>
+        /// Retrieve Specified Resource ...
+        /// </summary>
+        /// <param name="resource"></param>
+        /// <param name="language"></param>
+        /// <returns></returns>
+        Task<XStringDto> Get(
+            string resource,
+            string language = null
+        );
 
         /// <summary>
         /// Retrieve Specified Translation of Specified Resource ...
diff --git a/Providers/XStringProvider.cs b/Providers/XStringProvider.cs
index 1cb5399..53866e8 100644
--- a/Providers/XStringProvider.cs
+++ b/Providers/XStringProvider.cs
@@ -2,7 +2,6 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
-using System.Reactive.Concurrency;
 using System.Threading.Tasks;
 using xCommons.Configurations;
 using xCommons.Extensions;
@@ -126,6 +125,58 @@ namespace xStringService.Providers
             return result;
         }
 
+        /// <summary>
+        /// Retrieve Specified Resource ...
+        /// </summary>
+        /// <param name="resource"></param>
+        /// <param name="language"></param>
+        /// <returns></returns>
+        public async Task<XStringDto> Get(
+            string resource,
+            string language = null
+        )
+        {
+            //
+            // Normalize ...
+            if (language.IsNullOrEmpty())
+            {
+                language = AppConfiguration.DefaultLanguage;
+            }
+
+            //
+            // Validate ...
+            if (resource.IsNullOrEmpty() || language.IsNullOrEmpty())
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Check Resource Exists ...
+            var isExists = await IsResourceExists(
+                resource: resource,
+                language: language
+            );
+            if (!isExists)
+            {
+                XException.NotFound.Throw();
+            }
+
+            //
+            var entity = await Repository
+                .FindOneAsync(e =>
+                    e.ResourceTitle == resource &&
+                    e.Language.ToNormalString() == language.ToNormalString()
+            );
+            if (entity.IsNullOrDefault())
+            {
+                XException.ActionFailed.Throw();
+            }
+
+            //
+            return entity
+                .ToDynamicObject();
+        }
+
         /// <summary>
         /// Retrieve Specified Translation of Specified Resource ...
         /// </summary>
@@ -417,19 +468,19 @@ namespace xStringService.Providers
             if (totalItemsCount > 0 &&
                 filteredItemsCount > 0)
             {
-                //
-                // Apply Paging ...
-                items = items.ApplyPaging(
-                    query.Page,
-                    query.PageSize
-                );
-
                 //
                 // Apply Sorting ...
                 items = items.ApplySorting(
                     query.SortBy,
                     query.IsAscending
                 );
+
+                //
+                // Apply Paging ...
+                items = items.ApplyPaging(
+                    query.Page,
+                    query.PageSize
+                );
             }
 
             //