Final answer:
Market growth rate metrics are Key Performance Indicators that measure the change in the size of a market for a product or service over time, aiding in assessing a company's market share growth.
Step-by-step explanation:
The Market growth rate metrics would be considered to be a type of Key Performance Indicator (KPI). KPIs are quantifiable measurements used to gauge the performance of a business relative to its objectives. In this context, the market growth rate is a metric that assesses the increase or decrease in the size of a market for a product or service over time. It is often used to evaluate the success of a company's strategies in capturing a larger market share