What is a “translation unit” in C++

Question

I am reading at the time the \"Effective C++\" written by Meyers and came across the term \"translation unit\".

Could somebody please give me an explanation of:

Answer 1

In addition to the ODR, the translation unit is important in the definition of unnamed namespaces, which replaces one of the old uses of "static".

I guess I still don't have enough points to add a comment under the top answer.