diff --git a/docs/fsharp/language-reference/compiler-directives.md b/docs/fsharp/language-reference/compiler-directives.md
index b467d5339cf6d..6ffff291ca9c2 100644
--- a/docs/fsharp/language-reference/compiler-directives.md
+++ b/docs/fsharp/language-reference/compiler-directives.md
@@ -52,6 +52,46 @@ let str = "Debugging!"
 #endif
 ```
 
+### Automatically Defined Symbols
+
+In addition to symbols explicitly defined via project settings or command-line options, **F# projects inherit a set of predefined symbols** based on the SDK, target framework, and build configuration.
+
+#### Debug, Tracing, and Nullable Settings  
+
+| Symbol    | Description |
+|-----------|-------------|
+| `DEBUG`   | Defined in debug builds when compiling with the `Debug` configuration. |
+| `TRACE`   | Defined when tracing is enabled in the project settings. |
+| `NULLABLE` | Defined when `<Nullable>enable</Nullable>` is set in the project file. |
+
+#### Target Framework Symbols  
+
+| Symbol | Description |
+|--------|-------------|
+| `NET`, `NETSTANDARD`, `NETCOREAPP` | General indicators of the .NET target type. |
+| `NET5_0_OR_GREATER`, `NET6_0_OR_GREATER`, `NET7_0_OR_GREATER` | Defined for specific .NET versions. |
+| `NETCOREAPP3_1_OR_GREATER`, `NETCOREAPP2_0_OR_GREATER` | Defined for .NET Core versions. |
+
+#### Build Configuration Symbols  
+
+| Symbol    | Description |
+|-----------|-------------|
+| `Release` | Defined in release builds. |
+| `COMPILED` | Used in compiled projects. |
+
+For example, you can use these symbols in conditional compilation:
+
+```fsharp
+#if DEBUG
+printfn "Debugging mode is enabled."
+#else
+printfn "Release mode."
+#endif
+```
+
+For a full list of predefined symbols, refer to the official documentation:
+[.NET SDK Predefined Compilation Symbols](https://learn.microsoft.com/dotnet/fsharp/tools/fsharp-interactive/#interactive-and-compiled-preprocessor-directives).
+
 ## NULLABLE directive
 
 Starting with F# 9, you can enable nullable reference types in the project: