A macro conversion:

  • Occurs when someone completes an action that’s important to your business
  • Is a large revenue sales that are directly attributable to a display campaign
  • Always occurs prior to a micro-conversion
  • Is your highest converting campaign
  • Occurs when over 50% of visitors buy an item

The Correct Answer is:

  •  Occurs when someone completes an action that’s important to your business

 Explanation: Before you can improve the effectiveness of your advertising and marketing campaigns, you’ll need to track conversions. A conversion is an activity on your site that is important to the success of your business. For sales-oriented websites, you should track:

  • micro conversions, for example, signups for your email newsletter, account creations, and other activities that often precede a purchase
  • macro conversions, i.e. sales transactions

You can read more here: https://support.google.com/analytics/answer/2665457?hl=en