## What is Unit?

A Unit is something that denotes a single thing.

Example

A pen, a girl, a day etc.

## What is Number?

A Number denotes how many times a unit is taken.

Example

Joseph is sixteen years old. There are seven days in a week.

## What is Numeral?

A Numeral is a symbol which is a number used to represent the number.

Example

Four is represented by the symbol \(5\) which is a numeral.