signalisation vs indication

signalisation and indication both are nouns.

Word	Noun	Adjective	Verb	Adverb
signalisation	Yes	No	No	No
indication	Yes	No	No	No

As nouns, indication is a hypernym of signalisation; that is, indication is a word with a broader meaning than signalisation:

Other hypernyms of signalisation include indicant.

signalisation (noun)	indication (noun)
a conspicuous indication	a datum about some physical state that is presented to a user by a meter or similar instrument
	something that serves to indicate or suggest
	the act of indicating or pointing out by name
	(medicine) a reason to prescribe a drug or perform a procedure
	something (as a course of action) that is indicated as expedient or necessary