A prompt in a marketing message that encourages the audience to take a specific, immediate action. CTAs are used across various forms of marketing content, including websites, emails, advertisements, and social media posts, to guide users towards the next step in their engagement with a brand or product. Effective CTAs are crucial for converting audience interest into tangible actions, such as making a purchase, signing up for a newsletter, or requesting more information, thereby driving the desired outcomes of a marketing campaign.