look back vs remember

look back and remember both are verbs.

Word	Noun	Adjective	Verb	Adverb
look back	No	No	Yes	No
remember	No	No	Yes	No

As verbs, remember is a hypernym of look back; that is, remember is a word with a broader meaning than look back:

Other hypernyms of look back include think back.

look back (verb)	remember (verb)
look back upon (a period of time, sequence of events); remember	recall knowledge from memory; have a recollection
look towards one's back	keep in mind for attention or consideration
	recapture the past; indulge in memories
	exercise, or have the power of, memory
	call to remembrance; keep alive the memory of someone or something, as in a ceremony
	mention as by way of greeting or to indicate friendship
	mention favorably, as in prayer
	show appreciation to