Differences between variables and keywords?

Answer 1

if you want to understand in simple words then variable are containers which contains some value. and keyword are word which has fix meaning for interpreter or compiler ( language translator)

Answer 2

Thank you.

Answer 3

Variable:
label for a place in RAM.

Keyword:
word already used in the programming language definition or syntax
that should/could not be used by a programmer to name it's variables.