input vs signalling

input and signalling both are nouns.

Word	Noun	Adjective	Verb	Adverb
input	Yes	No	Yes	No
signalling	Yes	No	No	No

As nouns, signalling is a hypernym of input; that is, signalling is a word with a broader meaning than input:

Other hypernyms of input include sign, signal, signaling.

input (noun)	signalling (noun)
a component of production; something that goes into the production of output	any nonverbal action or gesture that encodes a message
any stimulating information or event; acts to arouse action
signal going into an electronic system
a statement that expresses a personal opinion or belief or adds information

input (verb)	signalling (verb)
enter (data or a program) into a computer