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 types are a set of basic data types from which all other data types are constructed. Specifically it often refers to the limited set of data representations in use by a particular processor, which all compiled programs must use. Most processors support a similar set of primitive data types, although the specific representations vary.

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