Types and there definitions in C#.NET

Type

Base class that represents any type.

Value Type

Base class that represents any value type.

Reference Types

Any data types that are accessed through a reference and stored on the heap.

Built-in Value Types

Includes most of the standard primitive types, which represent numbers, Boolean values, or characters.

Enumerations

Sets of enumerated values.

User-defined Value Types

Types that have been defined in source code and are stored as value types. In C# terms, this means any struct.

Interface Types

Interfaces.

Pointer Types

Pointers.

Self-describing Types

Data types that provide information about themselves for the benefit of the garbage collector .

Arrays

Any type that contains an array of objects.

Class Types

Types that are self-describing but are not arrays.

Delegates

Types that are designed to hold references to methods.

User-defined Reference Types

Types that have been defined in source code and are stored as reference types. In C# terms, this means any class.

Boxed Value Types

A value type that is temporarily wrapped in a reference so that it can be stored on the heap.