What is the difference between Mrs., Ms., Miss., and ma' am?

Glad to see such contributions by Asmaa, Aysha, and Jawahir and sorry for delay in replying.
I will come back soon. Till that time please continue the discussion.
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Two points till I come back:
* What about boys and girls?
Do they have titles?
* In resurrection the God call people by the name of their mothers. Like this " Ya Ali ibn Fatima".
in Egypt I note that people call women using the name of their old son, like this " Om Ali" even if Ali has a sister older than him ! and people around that woman may not know her real name forever. They just call her "Om Ali" till her death.
In Sudan people may call a man or a boy using the name of his mother. Like this "Wad
Amna"

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