Which of the following describes the number of times a unique user will see an ad over a given time period? By vmartinez Which of the following describes the number of times a unique user will see an ad over a given time period? Reach Frequency Impression Engagement rate Related content Related questions:If a unique user sees an ad over a given time…Which of the following terms can be used to describe…Your client, a music studio, has asked you to share…You’d like to share video campaign metrics with your…