Review on Permutation

It refers to the arrangement of objects in which order matters or order is important.

If one event can occur in m ways, and another event can occur in n ways, then, these events can occur in m ∙ n ways.

What is the method of rearrangement of objects wherein the order of each objects is shown systematically in a diagram?

What is the way to rearrangement of objects in a set wherein each objects is to be written in a table?

What way to rearrangement of objects in a set wherein each object is listed?