In your own words, what is the purpose of a constitution?

Answer in two short sentences (15 word limit). You will have a chance to explain in more detail later.

Example sentence frame:
The purpose of a constitution is

Make it sound like a fifth grader wrote it

3 answers

The purpose of a constitution is to make rules for a country and protect rights.
A different purpose
The purpose of a constitution is to establish the framework for government and define its powers.