What is a Fraternity? How is it different from a group of friends?

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cl...@unisys.com.br (Claudia Oliveira) bitched about:

>Please, I come from a culture where we dont have these so called fraternity.
> I dont know what is a GLO or equivalent.
>Are the members of a fraternity all in the same scholl?
>Does the Fraternities exist only in Universities or at school too?
>What does it determine?
>Does the fraternities mix man and woman? Not even later when people
>marry?
>Do they last for ever or finish when people graduate?
>Thank you so much.
>reply to cl...@unisys.com.br
>Claudia

Who wants to field this one?

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