An area is a way to measure the size of a two-dimensional surface or space. It is commonly expressed in square units, like square meters, square feet, or square kilometers.
The calculation of area is dependent on the shape of the object. For instance, you can find the area of a rectangle by multiplying its length and width.

Explanation: This image shows the area of 2D shapes.

The perimeter is the total distance around a 2D shape. It is calculated by adding up the lengths of all the sides or edges of the shape.
The measurement is usually in units of length like meters, centimeters, inches, or feet, depending on the system of measurement used.

Explanation: This image shows the perimeter of a square.