2 3 4 8 A B C D E F G H I J K L M O P R S T U V W
On Op Ou Ov

On Camera (OC)

The notation in a script to show when the talent is on camera.

Open Walkie

When someone has left their microphone open on their walkie-talkie.

Out of home (OOH)

Video advertising that appears on billboards and other public screens.

Overlay

An overlay in a video can refer to any graphics, titles, or other layers above the video.