Sothefirstadditionalmeaningistogivesomeone a nameortoaddresssomeonewiththatname.
Examples.
PleasecallmeAlfred.
Let's gotothatnewrestaurantcalled T G I Thursdays, soweusecalltorefertopeople's namesortwonamesoflikerestaurants, locations, whateveryoucansay, a placecalled a personcalledorhe's called.
She's calledtorefertothenameortoreferto, like a nicknameaswell.
Sowhenthepersonspeakingusestheverbcall, theymeanthat's what I consider a friend.
So I consider a personlikethattobe a friend, butweusedcalltomakethat a shorterexpression.
Inthesecondexamplesentence.
I wouldn't callhim a geniuswe'reseeing.
I wouldnotsaythatheis a genius.
I wouldnotconsiderhimtobe a genius, sothatdoesn't seemappropriatetome.
Soweshortenthisbysaying I wouldn't callhimingenious.
I wouldn't callhim a genius.
Thethirdadditionalmeaningfortheverbcallistouse a loudvoiceliketogetsomeone's attention, theattentionof a person, theattentionofananimal, maybe a crowd.