The phrase "single frame" refers to one image or picture, usually seen in a sequence or series of images. It can be understood as a still picture taken from a video or movie. Full definition
The changes are largely cosmetic and upfront, there's the A4 - like single frame grille and air dams that are a lot more aggressive looking than before. (carwale.com)
Using single frames from video recording two angles were identified with respect to the maximum excursion of the tail to the right and to the left side of the dog's body. (ohmidog.com)
The new A8 features the new front end design with a large single frame grille and laser headlamps. (auto.ndtv.com)