Primitive

A primitive value is of a scalar or built-in type and may completely fit into a single memory location.

Related concepts:  ValueTypeReference

Closest Wikipedia entry:  Primitive data type — In computer science, primitive data type is either of the following: a basic type is a data type provided by a programming language as a basic building block. Most languages allow more complicated composite types to be recursively constructed starting from basic types. a built-in type is a data type for which the programming language provides built-in support.In most programming languages, all basic data types are built-in.

Misconceptions about Primitive

3 documented Misconceptions

CallOnPrimitive

One can invoke a method on primitive values

PrimitiveIsObject

Primitive values are heap objects

PrimitiveTypeParameter

Type parameters of generic types can be assigned primitive types