One of the $6$M$\text{'}$s is "Measurement". For $6$M marketing planning purposes, select the definition$($s$)$ below that accurately define the intended meaning of "measurement" as used in the $6$M$\text{'}$s framework.

Group of answer choices

The Imperial System

Key performance indicators $($KPI$\text{'}$s$)$

Decisions

Metrics

Goals