Prin. is not a universal abbreviation for any particular word. It could stand in for princess or principle or some other word beginning with prin. It depends on the context.
Post Office!!
Ch can stand for channel as in television channel.
"Inc" itself is the abbreviation. It is the abbreviation for the word "Incorporation".
St. is an abbreviation for the word 'saint.'
It is not an abbreviation or symbol. It does not stand for anything. It is a word which means "from Asia".
P.O. or just PO
It's "PO"
PO
po
Prin. is not a universal abbreviation for any particular word. It could stand in for princess or principle or some other word beginning with prin. It depends on the context.
DET may stand for many things. It is commonly used in sports to denote teams from Detroit. It may also be an abbreviation for the word detective or the drug dithyltyptamine.