Short for advertisements; promotional messages in media.

• Sponsored content shown online, in apps, or elsewhere.

Short for advertising as an industry or practice.

• The business of creating, buying, and placing promotions.

Gaming initialism: to aim using a weapon’s sights.

Aviation: automatic dependent surveillance, as in ADS-B or ADS-C.

Physics: anti–de Sitter, as in AdS space.

Computing/Business: automated decision support systems or processes.

Linguistics: adult-directed speech, speech addressed to adults.