what makes "rule", "regulation" and "law" different?

Answer 1

a "rule" is more of a guideline or common practice
a "regulation" is a rule that is governed and covers things like employment, wages, businesses and industries.
a "law" is created by people, and administered through courts making people accountable for their actions.

Answer 2

Arguments of people different in each place. Somewhere, people say this is true that is false, in diefferent place, people say this is false, that is true. that's make why law different