Final answer:
Conversion, also referred to as completion rate, is a metric used in business to measure the percentage of people who take a desired action out of the total number of people who had the opportunity to do so.
Step-by-step explanation:
Conversion, also referred to as completion rate, is a metric used in business to measure the percentage of people who take a desired action out of the total number of people who had the opportunity to do so. It is commonly used to evaluate the effectiveness of marketing campaigns, sales processes, and user experiences. For example, in the context of a website, conversion rate can measure the percentage of visitors who make a purchase, sign up for a newsletter, or complete a form.