diff --git a/Providers/XBaseOwnedItemResourceProvider.cs b/Providers/XBaseOwnedItemResourceProvider.cs
index 29dfc76..c24d0e1 100644
--- a/Providers/XBaseOwnedItemResourceProvider.cs
+++ b/Providers/XBaseOwnedItemResourceProvider.cs
@@ -3,8 +3,11 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using xCommons.Configurations;
 using xCommons.Extensions;
+using xExceptions.Constants;
 using xModels.Dtos;
+using xStringService.Extensions;
 using xStringService.Interfaces;
 using xStringService.Interfaces.Dtos;
 using xStringService.Models.Dtos;
@@ -20,6 +23,11 @@ namespace xStringService.Providers
         /// </summary>
         private readonly string item;
 
+        /// <summary>
+        /// Application Configuration ...
+        /// </summary>
+        private readonly XAppConfiguration appConfig;
+
         /// <summary>
         /// String Provider Service ...
         /// </summary>
@@ -30,11 +38,13 @@ namespace xStringService.Providers
         #region Constructor ...
         protected XBaseOwnedItemResourceProvider(
             string item,
+            XAppConfiguration appConfig,
             IXStringServiceProvider stringProvider
         )
         {
             //
             this.item = item;
+            this.appConfig = appConfig;
             this.stringProvider = stringProvider;
         }
         #endregion
@@ -52,7 +62,19 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var items = await ExtractStrings(
+                owner: owner,
+                identifier: null,
+                cancellationToken: cancellationToken
+            );
+            var result =
+                items
+                .Select(x => x.Language)
+                .Distinct();
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -66,7 +88,15 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var result = await ExtractStrings(
+                owner: owner,
+                identifier: null,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -82,7 +112,38 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var items = await ExtractStrings(
+                owner: owner,
+                identifier: null,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            foreach (var item in items)
+            {
+                //
+                // Check Cancellation Token ...
+                if (cancellationToken.IsCancellationRequested)
+                {
+                    break;
+                }
+
+                //
+                // Try to Remove it ...
+                try
+                {
+                    //
+                    await stringProvider.RemoveAsync(
+                        id: item.Id,
+                        softDelete: false,
+                        saveChanges: true,
+                        connectionId: connectionId,
+                        cancellationToken: cancellationToken
+                    );
+                }
+                catch { }
+            }
         }
         #endregion
 
@@ -101,7 +162,24 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var resourceTitle = GetResourceTitle(
+                owner: owner,
+                identifier: identifier
+            );
+
+            //
+            var result = await stringProvider.FindManyAsync(
+                includeBuilder: null,
+                ignoreSoftDeleteds: true,
+                cancellationToken: cancellationToken,
+                predicate: x => x.ResourceTitle
+                    .ToNormalString()
+                    .Contains(resourceTitle.ToNormalString())
+            );
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -117,7 +195,16 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var result = (await GetResourceLocales(
+                owner: owner,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            ))
+            .Select(x => x.ToXLocaleResourceDto());
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -134,7 +221,25 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var resource = GetResourceTitle(
+                owner: owner
+            );
+            var locales = await GetLocales(
+                owner: owner,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            var result = new XResourceDto
+            {
+                Locales = locales,
+                Resource = resource
+            };
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -154,7 +259,30 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var resource = GetResourceTitle(
+                owner: owner,
+                identifier: identifier
+            );
+
+            //
+            var resourceDto = await stringProvider.AddOrUpdateByLocaleResource(
+                item: locale,
+                resource: resource,
+                connectionId: connectionId,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            // Retrieve XResourceDto ...
+            var result = await GetResource(
+                owner: owner,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -174,7 +302,70 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var resourceTitle = GetResourceTitle(
+                owner: owner,
+                identifier: identifier
+            );
+
+            //
+            var isValid =
+                !resource.IsNullOrDefault() &&
+                resource.Resource == resourceTitle;
+            if (!isValid)
+            {
+                XException.InvalidArgs.Throw();
+            }
+
+            //
+            // Retrieve Exists Resource ...
+            var result = await GetResource(
+                owner: owner,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            );
+            isValid =
+                !result.IsNullOrDefault() &&
+                result.Locales.HasChild();
+            if (isValid)
+            {
+                await RemoveLocales(
+                    owner: owner,
+                    identifier: identifier,
+                    connectionId: connectionId,
+                    cancellationToken: cancellationToken
+                );
+            }
+
+            //
+            foreach (var locale in resource.Locales)
+            {
+                //
+                var item = new XStringDto
+                {
+                    Language = locale.Language,
+                    ResourceTitle = resourceTitle,
+                    TranslatedValue = locale.Value,
+                };
+
+                //
+                await stringProvider.AddAsync(
+                    item: item,
+                    saveChanges: true,
+                    connectionId: connectionId,
+                    cancellationToken: cancellationToken
+                );
+            }
+
+            //
+            result = await GetResource(
+                owner: owner,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -194,7 +385,72 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            XResourceDto result = null;
+            language = NormalizedLanguage(language);
+
+            //
+            // Check Locale Exists ...
+            var isValid = await HasLocale(
+                owner: owner,
+                language: language,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            );
+            if (!isValid)
+            {
+                XException.NotFound.Throw();
+            }
+
+            //
+            var resourceTitle = GetResourceTitle(
+                owner: owner,
+                identifier: identifier
+            );
+
+            //
+            var item = await stringProvider.FindOneAsync(
+                includeBuilder: null,
+                ignoreSoftDeleteds: true,
+                cancellationToken: cancellationToken,
+                predicate: x =>
+                    x.Language.Equals(
+                        language,
+                        StringComparison.InvariantCultureIgnoreCase) &&
+                    x.ResourceTitle.Equals(
+                        resourceTitle,
+                        StringComparison.InvariantCultureIgnoreCase)
+            );
+            isValid = !item.IsNullOrDefault();
+            if (!isValid)
+            {
+                XException.NotFound.Throw();
+            }
+
+            //
+            // Remove XStringDto ...
+            await stringProvider.RemoveAsync(
+                id: item.Id,
+                softDelete: false,
+                saveChanges: true,
+                connectionId: connectionId,
+                cancellationToken: cancellationToken
+            );
+
+            //
+            try
+            {
+                //
+                result = await GetResource(
+                    owner: owner,
+                    identifier: identifier,
+                    cancellationToken: cancellationToken
+                );
+            }
+            catch { }
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -212,7 +468,34 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var resourceTitle = GetResourceTitle(
+                owner: owner,
+                identifier: identifier
+            );
+
+            //
+            var items = await stringProvider.FindManyAsync(
+                includeBuilder: null,
+                ignoreSoftDeleteds: true,
+                cancellationToken: cancellationToken,
+                predicate: x =>
+                    x.ResourceTitle.Equals(
+                        resourceTitle,
+                        StringComparison.InvariantCultureIgnoreCase)
+            );
+            var isValid = !item.IsNull();
+            if (!isValid)
+            {
+                XException.NotFound.Throw();
+            }
+
+            //
+            await stringProvider.RemoveResource(
+                resource: resourceTitle,
+                connectionId: connectionId,
+                cancellationToken: cancellationToken
+            );
         }
 
         /// <summary>
@@ -230,7 +513,22 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            language = NormalizedLanguage(language);
+            var locales = await GetLocales(
+                owner: owner,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            );
+            var result =
+                language.HasChild() &&
+                locales.Any(l => l.Language.Equals(
+                    language,
+                    StringComparison.InvariantCultureIgnoreCase)
+                );
+
+            //
+            return result;
         }
 
         /// <summary>
@@ -246,7 +544,19 @@ namespace xStringService.Providers
             CancellationToken cancellationToken = default
         )
         {
-            throw new NotImplementedException();
+            //
+            var items = await ExtractStrings(
+                owner: owner,
+                identifier: identifier,
+                cancellationToken: cancellationToken
+            );
+            var result =
+                items
+                .Select(x => x.Language)
+                .Distinct();
+
+            //
+            return result;
         }
         #endregion
 
@@ -298,6 +608,30 @@ namespace xStringService.Providers
 
         //
         #region Private ...
+        private string NormalizedLanguage(
+            string language = null
+        )
+        {
+            //
+            var result = language;
+            if (result.IsNullOrEmpty())
+            {
+                result = GetDefaultLanguage();
+            }
+
+            //
+            return result;
+        }
+
+        private string GetDefaultLanguage()
+        {
+            //
+            var result = appConfig.DefaultLanguage;
+
+            //
+            return result;
+        }
+
         private async Task<IEnumerable<XStringDto>> ExtractStrings(
             string resourceTitle,
             CancellationToken cancellationToken = default
@@ -317,10 +651,32 @@ namespace xStringService.Providers
                 includeBuilder: null,
                 ignoreSoftDeleteds: true,
                 cancellationToken: cancellationToken,
+                orderBuilder: x => x.OrderBy(y => y.Id),
                 predicate: x => x.ResourceTitle
                     .ToNormalString()
-                    .Contains(resourceTitle),
-                orderBuilder: x => x.OrderBy(y => y.Id)
+                    .Contains(resourceTitle.ToNormalString())
+            );
+
+            //
+            return result;
+        }
+
+        private async Task<IEnumerable<XStringDto>> ExtractStrings(
+            object owner,
+            object identifier,
+            CancellationToken cancellationToken = default
+        )
+        {
+            //
+            var resourceTitle = GetResourceTitle(
+                owner: owner,
+                identifier: identifier
+            );
+
+            //
+            var result = await ExtractStrings(
+                resourceTitle: resourceTitle,
+                cancellationToken: cancellationToken
             );
 
             //