Language - Value
1 - About
Every value has a type.
Variable are a component to manage state.
2 - Articles Related
3 - Type
Values that are included directly in the source code are called literals.
4 - Object value by Reference
Object value are held by reference (ie the address of the value). Two objects are the same if they have the same address value.
The equality function/operator for an object may be also define to change this behavior.