Definition

RAM (Random Access Memory) : Main memory of the computer. Computer will load the programs ran into it

Object : represents a region of storage (for example in RAM) that can hold a value

• A way for computer to access memory indirectly (as direct memory access is discouraged)
• Usually are named using an identifier (objects with identifier are called variable)

Variable : Named object using an identifier

Trait

• To use variable in the program, we need to declare it using definition
  • Data types are used to declare variables