Which audience characteristic helps to establish clear marketing targets in a campaign?

The characteristic that aids in establishing clear marketing targets in a campaign is audience size and composition. Knowing the size allows marketers to gauge the potential reach of a campaign, while understanding the composition provides insights into demographics, interests, behaviors, and needs of the audience. This detailed profile helps marketers tailor their messaging and select the most effective channels, ensuring that their efforts resonate with the intended audience. By having this clarity, marketers can optimize their strategies, allocate resources more effectively, and ultimately enhance the chances of campaign success.

On the other hand, trends in advertising, popularity of different channels, and current social issues may inform marketing strategies but do not specifically define or clarify the target audience. While these factors can influence the approach, they do not provide the fundamental understanding of who the audience is and how best to engage with them.