Why are KPIs important to the planning process?

Question $12$ options:

$1)$

They set the tone for the organization and its culture.

$2)$

They are the concrete actions that are taken to implement plans.

$3)$

They are used to measure the success of your goal$/$objective$.$

$4)$

They explain why the company exists.

$5)$

They describe what you want to accomplish.