Pop-up
Updated: 11/13/2018 by Computer Hope

A window on top of all other Windows, usually unexpectedly, is called a pop-up. This term usually has negative connotations as it is associated with intrusive Internet advertisements. However, pop-ups can be used for other things; a few of their applications are listed in the following section.
Pop contents
While they all look and perform similarly, pop-ups can serve different purposes and contain different content. Here are some examples:
- Advertisements
- Surveys
- Discounts/coupons
- Notifications
- Timers