tell vs summarise

tell and summarise both are verbs.

Word	Noun	Adjective	Verb	Adverb
tell	No	No	Yes	No
summarise	No	No	Yes	No

As verbs, summarise is a hyponym of tell; that is, summarise is a word with a more specific, narrower meaning than tell:

tell (verb)	summarise (verb)
discern or comprehend	give a summary (of)
mark as different	be a summary of
let something be known
narrate or give a detailed account of
give instructions to or direct somebody to do something with authority
give evidence
express in words
inform positively and with certainty and confidence