Measuring the number of repeat purchases during a campaign is how Amazon Ads tracks loyalty goals, reflecting brand success in engaging and retaining customers for ongoing transactions.

• Awareness goals
• Consideration goals
• Loyalty goals

The correct answer is: Loyalty goals

Explanation: When you check the number of customers making second or third purchases during a campaign, you are measuring loyalty goals. Loyalty in Amazon Ads refers to how well your brand retains customers and encourages repeat purchases. Tracking repeat purchases shows engagement and brand strength, providing valuable insights into customer retention rates and helping shape future marketing strategies that focus on nurturing long-term customer relationships.

Reference: https://advertising.amazon.com/objectives/customer-loyalty