diff --git a/Configurations/Entities/XStringEntityConfiguration.cs b/Configurations/Entities/XStringEntityConfiguration.cs
index b02c17e..b5bfb28 100644
--- a/Configurations/Entities/XStringEntityConfiguration.cs
+++ b/Configurations/Entities/XStringEntityConfiguration.cs
@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using xDataService.Providers;
+using xStringService.Constants;
 using xStringService.Models.Entities;
 
 namespace xStringService.Configurations.Entities
@@ -9,7 +10,7 @@ namespace xStringService.Configurations.Entities
     {
         public override void Configure(EntityTypeBuilder<XString> builder)
         {
-            builder.ToTable("Strings");
+            builder.ToTable(XStringServiceConstants.XStringTable);
         }
     }
 }
\ No newline at end of file
diff --git a/Constants/.gitkeep b/Constants/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/Constants/XStringServiceConstants.cs b/Constants/XStringServiceConstants.cs
new file mode 100644
index 0000000..2f2ded2
--- /dev/null
+++ b/Constants/XStringServiceConstants.cs
@@ -0,0 +1,30 @@
+namespace xStringService.Constants
+{
+    public struct XStringServiceConstants
+    {
+        //
+        // Service Extensions Log Tag ...
+        public const string XStringServiceDILogTag = "XStringService";
+
+        //
+        // Table Mapping Identifiers ...
+        public const string XStringTable = "Strings";
+
+        //
+        // GraphQL Collection Mappings ...
+        public const string XStringSingleName = "string";
+        public const string XStringCollectionName = "strings";
+
+        //
+        // Hubs ...
+        public const string XStringDtoHub = "stringDto";
+        public const string XStringEntityHub = "stringEntity";
+
+        //
+        // Custome Constants ...
+
+        //
+        // EF Repositories Helper Extensions ...
+        public const string GetXStringEFRepositoryDescriptor = "GetXStringEFRepositoryDescriptor";        
+    }
+}
\ No newline at end of file
diff --git a/DI/XDIHelperExtension.cs b/DI/XDIHelperExtension.cs
index 589dd9c..ea96146 100644
--- a/DI/XDIHelperExtension.cs
+++ b/DI/XDIHelperExtension.cs
@@ -17,6 +17,7 @@ using xPushService.Helpers;
 using xPushService.DI;
 using xStringService.Interfaces;
 using xStringService.Providers;
+using xStringService.Constants;
 
 namespace xStringService.DI
 {
@@ -80,8 +81,8 @@ namespace xStringService.DI
             var pushHelper = new XPushServiceHelper();
 
             //
-            pushHelper.AddHub<XStringDtoHub>("stringDto");
-            pushHelper.AddHub<XStringEntityHub>("stringEntity");
+            pushHelper.AddHub<XStringDtoHub>(XStringServiceConstants.XStringDtoHub);
+            pushHelper.AddHub<XStringEntityHub>(XStringServiceConstants.XStringEntityHub);
 
             //
             app.UseXPushService(pushHelper);
@@ -106,7 +107,7 @@ namespace xStringService.DI
         /// <summary>
         /// a LogTag for Service ...
         /// </summary>
-        private static string XLogTag = "XStringService";
+        private static string XLogTag = XStringServiceConstants.XStringServiceDILogTag;
 
         /// <summary>
         /// print a log in Console ...
@@ -179,9 +180,9 @@ namespace xStringService.DI
                 //
                 descriptor = typeof(XStringServiceHelper)
                     .InvokeGenericMethod<XRepositoryDescriptor>(
-                        methodName: "GetXStringEFRepositoryDescriptor",
+                        args: null,
                         runtimeType: contextType,
-                        args: null
+                        methodName: XStringServiceConstants.GetXStringEFRepositoryDescriptor
                 );
                 break;
 
diff --git a/Interfaces/IXStringSeeder.cs b/Interfaces/Entities/IXStringSeeder.cs
similarity index 76%
rename from Interfaces/IXStringSeeder.cs
rename to Interfaces/Entities/IXStringSeeder.cs
index 56c5915..a9a889a 100644
--- a/Interfaces/IXStringSeeder.cs
+++ b/Interfaces/Entities/IXStringSeeder.cs
@@ -1,7 +1,7 @@
 using xDataService.Interfaces;
 using xStringService.Models.Entities;
 
-namespace xStringService.Interfaces
+namespace xStringService.Interfaces.Entities
 {
     public interface IXStringSeeder : IXBaseDbSeeder<XString, int>
     {}
diff --git a/Providers/XStringSeederBase.cs b/Providers/Entities/XStringSeederBase.cs
similarity index 89%
rename from Providers/XStringSeederBase.cs
rename to Providers/Entities/XStringSeederBase.cs
index a79cb4d..c2e2182 100644
--- a/Providers/XStringSeederBase.cs
+++ b/Providers/Entities/XStringSeederBase.cs
@@ -1,10 +1,9 @@
 using xDataService.Configuration;
 using xDataService.Providers;
-using xStringService.Interfaces;
 using xStringService.Interfaces.Entities;
 using xStringService.Models.Entities;
 
-namespace xStringService.Providers
+namespace xStringService.Providers.Entities
 {
     public abstract class XStringSeederBase : XBaseDbSeeder<XString, int>, IXStringSeeder
     {
diff --git a/Providers/GraphQL/XStringGraphQLTypeHelper.cs b/Providers/GraphQL/XStringGraphQLTypeHelper.cs
index bb1e819..ae05da3 100644
--- a/Providers/GraphQL/XStringGraphQLTypeHelper.cs
+++ b/Providers/GraphQL/XStringGraphQLTypeHelper.cs
@@ -1,5 +1,6 @@
 using xDataService.Configuration;
 using xDataService.GraphQL;
+using xStringService.Constants;
 using xStringService.Interfaces.Entities;
 using xStringService.Models.Entities;
 
@@ -14,12 +15,12 @@ namespace xStringService.Providers.GraphQL
 
         public override string GetInQueryCollectionName()
         {
-            return "strings";
+            return XStringServiceConstants.XStringCollectionName;
         }
 
         public override string GetInQuerySingleName()
         {
-            return "string";
+            return XStringServiceConstants.XStringSingleName;
         }
     }
 }
\ No newline at end of file