amateur radio

(amateur radio, broadcasting) callsign

ABC(s) (alphabet) / the ABCs (rudiments)

amateur

wireless

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

(business) one on one meeting between an employee and a superior

(Latin) alphabetical order