What is Science?

First of all the definition of Science should be understand, then break down of every line will be good.

Definition:

"knowledge or a system of knowledge covering general truths or the operation of general laws especially as obtained and tested through scientific method."

Now explanation of it:

Means, science is a knowledge base on true things or logic. It also have some general laws which comes from experiments done by scientist. And these laws satisfies in every related problem.