Footagethere is more than one meaning. And film is commonly used when describing. Footage is commonly used on the news.
A video is more likely to be anything that contains moving pictures like the ones which you watch on social media platforms. Footage 和 video 和有什么不一样? a: The size of houses are measured in square.
Clip is commonly used as part of a video, a minute or so. Video that has been recorded with a video camera or cell phone.