What are display ad retargeting and broad targeting?

Retargeting and broad targeting are methods of targeting in display advertising.

• Retargeting ads (tracking ads) are
  a delivery method that targets users who have visited your site before,
  and displays ads when the targeted users browse other websites, encouraging them to revisit your site.

Example: Delivering ads to people who have visited the application form

• Broad targeting ads are
  a delivery method that sets targets based on users' interests and preferences, and displays ads when the targeted users browse other websites, encouraging them to visit your site.

Example: Delivering ads to people interested in sports

[Related Information]

• What are display advertising audiences and content?