Describe what a composite shape is.

A composite shape, also known as a composite figure, is a geometric figure that is made up of two or more basic geometric shapes. Here are the steps to describe what a composite shape is:

1. Basic Understanding: The first step is to understand that a composite shape is formed when basic shapes like squares, rectangles, circles, triangles etc., are combined or 'composed' together.

2. Formation: These shapes can be put together in different ways. They can be joined at their edges, overlapped, or even placed one inside the other.

3. Examples: For instance, a house can be seen as a composite shape because it can be broken down into a rectangle (for the main part of the house) and a triangle (for the roof). Similarly, a cylinder is a composite shape composed of two circles and a rectangle.

4. Calculation of Properties: The properties of a composite shape, such as its area or perimeter, can be calculated by breaking it down into its component shapes, calculating the properties for each of these, and then combining the results.

5. Practical Applications: Composite shapes are very common in real life. Understanding them can help in various fields such as architecture, engineering, graphic design, etc.

In summary, a composite shape is a shape that is made up of two or more basic shapes.