poking vs gesture

poking and gesture both are nouns.

Word	Noun	Adjective	Verb	Adverb
poking	Yes	No	No	No
gesture	Yes	No	Yes	No

As nouns, gesture is a hypernym of poking; that is, gesture is a word with a broader meaning than poking:

poking: a sharp hand gesture (resembling a blow)
gesture: motion of hands or body to emphasize or help to express a thought or feeling

poking (noun)	gesture (noun)
a sharp hand gesture (resembling a blow)	motion of hands or body to emphasize or help to express a thought or feeling
	something done as an indication of intention
	the use of movements (especially of the hands) to communicate familiar or prearranged signals

poking (verb)	gesture (verb)
	show, express or direct through movement