A measure of _______ describes how useful an ad message is to the consumer doing the search.

A) reliability
B) relevance
C) impression
D) awareness
E) return on investment

Relevance

In the context of search engine marketing (SEM), it is a metric used to determine how useful an advertisement is to the consumer.

Ad Message

The central idea or theme of an advertisement designed to convey a specific message to the target audience.

Impression

In marketing, it refers to the count of times an advertisement or any form of digital content is displayed to users.