video vs broadcasting

video and broadcasting both are nouns.

Word	Noun	Adjective	Verb	Adverb
video	Yes	No	No	No
broadcasting	Yes	No	No	No

As nouns, broadcasting is a hypernym of video; that is, broadcasting is a word with a broader meaning than video:

video (noun)	broadcasting (noun)
a recording of both the visual and audible components (especially one containing a recording of a movie or television program)	taking part in a radio or tv program
the visible part of a television transmission	a medium that disseminates via telecommunications
broadcasting visual images of stationary or moving objects
(computer science) the appearance of text and graphics on a video display