diff --git a/Utilities.Tests/Extensions/DictionaryExtensionsTests.cs b/Utilities.Tests/Extensions/DictionaryExtensionsTests.cs
index 73964a29..d4f44865 100644
--- a/Utilities.Tests/Extensions/DictionaryExtensionsTests.cs
+++ b/Utilities.Tests/Extensions/DictionaryExtensionsTests.cs
@@ -1,9 +1,3 @@
-using System;
-using System.Collections.Generic;
-using FluentAssertions;
-using NUnit.Framework;
-using Utilities.Extensions;
-
 namespace Utilities.Tests.Extensions;
 
 public class DictionaryExtensionsTests
diff --git a/Utilities.Tests/Extensions/MatrixExtensionsTests.cs b/Utilities.Tests/Extensions/MatrixExtensionsTests.cs
index a079299e..83793a54 100644
--- a/Utilities.Tests/Extensions/MatrixExtensionsTests.cs
+++ b/Utilities.Tests/Extensions/MatrixExtensionsTests.cs
@@ -1,8 +1,3 @@
-using System;
-using FluentAssertions;
-using NUnit.Framework;
-using Utilities.Extensions;
-
 namespace Utilities.Tests.Extensions;
 
 public class MatrixExtensionsTests
diff --git a/Utilities.Tests/Extensions/RandomExtensionsTests.cs b/Utilities.Tests/Extensions/RandomExtensionsTests.cs
index a26922f6..2ca6d346 100644
--- a/Utilities.Tests/Extensions/RandomExtensionsTests.cs
+++ b/Utilities.Tests/Extensions/RandomExtensionsTests.cs
@@ -1,8 +1,3 @@
-using System;
-using FluentAssertions;
-using NUnit.Framework;
-using Utilities.Extensions;
-
 namespace Utilities.Tests.Extensions;
 
 public class RandomExtensionsTests
diff --git a/Utilities.Tests/Extensions/VectorExtensionsTests.cs b/Utilities.Tests/Extensions/VectorExtensionsTests.cs
index e4c5320f..974cba33 100644
--- a/Utilities.Tests/Extensions/VectorExtensionsTests.cs
+++ b/Utilities.Tests/Extensions/VectorExtensionsTests.cs
@@ -1,8 +1,3 @@
-using System;
-using FluentAssertions;
-using NUnit.Framework;
-using Utilities.Extensions;
-
 namespace Utilities.Tests.Extensions;
 
 public class VectorExtensionsTests
diff --git a/Utilities.Tests/GlobalUsings.cs b/Utilities.Tests/GlobalUsings.cs
new file mode 100644
index 00000000..c85dacaf
--- /dev/null
+++ b/Utilities.Tests/GlobalUsings.cs
@@ -0,0 +1,17 @@
+// -----------------------------------------------------------------------------
+// Global using directives for the C-Sharp solution.
+// These namespaces are imported globally so they don’t need to be repeatedly declared
+// in individual files, improving readability and reducing boilerplate.
+//
+// Guidelines:
+// - Keep only the most commonly used namespaces here.
+// - Add project-specific namespaces (e.g., Utilities.Extensions) only if they are
+//   required across the majority of files in the project.
+// - Avoid placing rarely used namespaces here to maintain clarity.
+// -----------------------------------------------------------------------------
+
+global using System;                        // Core base classes and fundamental types
+global using System.Collections.Generic;    // Generic collection types (List, Dictionary, etc.)
+global using FluentAssertions;              // Assertion library for more readable and expressive unit tests
+global using NUnit.Framework;               // Testing framework providing attributes and assertions for test cases
+global using Utilities.Extensions;          // Common project-specific extension methods reused across multiple files
diff --git a/Utilities/Exceptions/ItemNotFoundException.cs b/Utilities/Exceptions/ItemNotFoundException.cs
index 580fc691..c9cc38f8 100644
--- a/Utilities/Exceptions/ItemNotFoundException.cs
+++ b/Utilities/Exceptions/ItemNotFoundException.cs
@@ -1,5 +1,3 @@
-using System;
-
 namespace Utilities.Exceptions;
 
 /// <summary>
diff --git a/Utilities/Extensions/DictionaryExtensions.cs b/Utilities/Extensions/DictionaryExtensions.cs
index 3d040554..ca917348 100644
--- a/Utilities/Extensions/DictionaryExtensions.cs
+++ b/Utilities/Extensions/DictionaryExtensions.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Collections.Generic;
-
 namespace Utilities.Extensions;
 
 public static class DictionaryExtensions
diff --git a/Utilities/Extensions/MatrixExtensions.cs b/Utilities/Extensions/MatrixExtensions.cs
index 780f6e73..96b63d0c 100644
--- a/Utilities/Extensions/MatrixExtensions.cs
+++ b/Utilities/Extensions/MatrixExtensions.cs
@@ -1,5 +1,3 @@
-using System;
-
 namespace Utilities.Extensions;
 
 public static class MatrixExtensions
diff --git a/Utilities/Extensions/RandomExtensions.cs b/Utilities/Extensions/RandomExtensions.cs
index eb7f7f47..a4bab3c2 100644
--- a/Utilities/Extensions/RandomExtensions.cs
+++ b/Utilities/Extensions/RandomExtensions.cs
@@ -1,6 +1,3 @@
-using System;
-using System.Linq;
-
 namespace Utilities.Extensions;
 
 public static class RandomExtensions
diff --git a/Utilities/Extensions/VectorExtensions.cs b/Utilities/Extensions/VectorExtensions.cs
index bfb807f0..7241bb17 100644
--- a/Utilities/Extensions/VectorExtensions.cs
+++ b/Utilities/Extensions/VectorExtensions.cs
@@ -1,5 +1,3 @@
-using System;
-
 namespace Utilities.Extensions;
 
 public static class VectorExtensions
diff --git a/Utilities/GlobalUsings.cs b/Utilities/GlobalUsings.cs
new file mode 100644
index 00000000..25845bd1
--- /dev/null
+++ b/Utilities/GlobalUsings.cs
@@ -0,0 +1,15 @@
+// -----------------------------------------------------------------------------
+// Global using directives for the C-Sharp solution.
+// These namespaces are imported globally so they don’t need to be repeatedly declared
+// in individual files, improving readability and reducing boilerplate.
+//
+// Guidelines:
+// - Keep only the most commonly used namespaces here.
+// - Add project-specific namespaces (e.g., Utilities.Extensions) only if they are
+//   required across the majority of files in the project.
+// - Avoid placing rarely used namespaces here to maintain clarity.
+// -----------------------------------------------------------------------------
+
+global using System;                        // Core base classes and fundamental types
+global using System.Collections.Generic;    // Generic collection types (List, Dictionary, etc.)
+global using System.Linq;                   // LINQ query operators for collections