- A/B testing*
- AAC
- Account*
- Act*
- Act 1*
- Act 2*
- Act 3*
- Action*
- Ad group*
- Ad set*
- Adapt*
- Adapter
- Adhesion*
- Administration*
- Adoption*
- Ads Manager*
- Advertising
- Agenda*
- Airtime
- Algorithm*
- Ambient light*
- Ambient sound*
- Analog*
- Analytics*
- Angle*
- Animation*
- Antagonist*
- Aperture*
- Arc*
- Archive*
- Array*
- Artificial intelligence*
- Aspect ratio*
- Asset*
- Attribution*
- Audience
- Audio*
- Audio mix*
- Audio mixer*
- Audio track*
- Autofocus*
- Automatic*
- Automatic Dialogue Replacement*
- AV*
- Avatar*
- AVCHD*
- AVI*