Respuesta :
Option (a), reach, is a marketing metric that quantifies the proportion of the target market that has at least once over a certain time period been exposed to a promotional message.
Is reach a metric?
Reach is the total number of people who have seen your content or advertisement. Your advertisement has been seen by 100 people if 100 people in total have seen it. Impressions are the total number of times your content or advertisement has appeared on a screen.
Although "reach" and "impressions," two social media measures that are frequently mentioned, are not universally understood. Simply put, these terms are frequently used in the same sentence.
Why is reach such an important metric?
Reach is used to calculate the size of your target audience. Reach is important for campaigns since it enables you to assess the possible impact of your tweets. It is essential for establishing the size of the target audience for your message and evaluating a campaign's efficacy.
Learn more about marketing metric: https://brainly.com/question/9127656
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