telephone number

the ring/sound/feel of an expression/word / mnemonic by homophony or sound similarity

to use / to employ / to make use of, to apply / to spend

to recall, to remember / to learn / to memorize / to feel (an emotion or sense)

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

number

to make a phone call; to telephone; to call

telephone / telephone call; phone call; call