Please can anyone explain in simple and clear terms the meaning,application,uses and benefits of variables in coding.

Question

Meaning,benefits,uses and application of variables.

Answer 1

The computer stores stuff in memory.

There's an address at the start of where data is stored. (Or computer cannot find it, like if houses had no street numbers).

The variable is the human-friendly way to get an address and access it.

* Some accuracy lost to make it easy to understand.

Answer 2

meaning
a space in memory

application
retain data for further calculations

uses
same as above

benefits
allows you to tap in data
which otherwise you would not
have been able to
like in user input