A video, film and animation term.
Video works by displaying a single image for a very brief time, then it displays another single image for an equally brief time and so on.
Each image is called a 'frame'. The 'frame rate' is describing how many images are displayed per second.
Cinema film works at 24 frames per second. This is fast enough to create the illusion that you are seeing moving images.
For capturing reallly fast action (such as an expensive advert) it is common to shoot at 60 fps for the few seconds the advert needs to run.
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Click on this link: Frame Rate