Type conversion means converting one type into another type. Alternatively, we call it as casting or type casting. Type conversion is broadly divided into the following categories.
Implicit conversion is the conversion that is performed by the C# compiler internally to match the the type of variable by assignment of values to that variable. This action happens implicitly, and there's no need to write any extra code to obey the type-safe mechanism. In implicit conversions, only smaller to larger types and derived classes to base class is possible.
Explicit conversion is the conversion that is performed by the user explicitly with the use of the cast operator; that's why this is also known as type casting. Explicit conversion is also possible using built-in type conversion methods. For more information, refer to https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/explicit-numeric-conversions-table.
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