When we use words and sentences to communicate follow rules that govern how put together. These are called?

The rules that govern how we put words and sentences together are called grammar.

Grammar encompasses various aspects of language, including:

* Syntax: The rules that govern the order of words in a sentence.

* Morphology: The rules that govern the formation of words.

* Phonology: The rules that govern the sound system of a language.

* Semantics: The rules that govern the meaning of words and sentences.

Grammar ensures that communication is clear, concise, and understandable.