Max
In short
Max is a common given name used for males in many English-speaking and European countries.
In plain words
It is a short name often used as a nickname for Maximilian or Maxwell. It comes from Latin roots meaning the greatest.
A simple example
A boy named Maximilian might ask his friends to call him Max to make it easier.
Why it matters
It is a popular choice for parents because it is easy to spell and sounds strong. It works well in many different languages and cultures.
Easy to mix up
It is often confused with Marx, which is a surname associated with Karl Marx.