It has to with the love for God.
When you say hello you say salam which gives the love to God.
Well usually if you talk to a Pakistani then always tend to use the word yaar just to say that your my homie.
It means father.
Because Pakistanis are a mix of every race. Pakistanis are cool because Pakistanis are the best dancers. Pakistanis are cool because were good at cricket. Pakistanis are cool because were talented and because we are a mixed race.
Pashtun, Urdu, and Farsi are all spoken in Pakistan. "Pakistanis" is not a language.
Pakistanis say son as "baita". It is singular noun.
You could just say hello and try to hang out with him a lot.
Because it means that you made a promise.
You say "hello" in English.
Say Hello to Rosita!
It means please baby in Pakistani language.
Kamusta is how you say hello