Whats Ruler? Or Thats Rules?

Whats ruler? Or thats rules?

 

Answer:

Ruler

: a person who rules a country, area, group, etc.

: a straight piece of plastic, wood, or metal that has marks on it to show units of length and that is used to measure things

Rules

: a statement that tells you what is or is not allowed in a particular game, situation, etc.

: a statement that tells you what is allowed or what will happen within a particular system (such as a language or science)

: a piece of advice about the best way to do something

Explanation: