Clear and Concise: It should be easy to understand and straightforward. For example, "Buy Now" or "Sign Up Today." Action-Oriented: It should use verbs that prompt immediate action, like "Download," "Register," or "Get Started." Visually Prominent: The CTA button or text should stand out visually within the email. Relevant: It should be contextually appropriate and aligned with the email’s content and overall goal. Compelling: It should create a sense of urgency or offer a value proposition, such as "Limited Time Offer" or "Free Trial."