what does ....... mean?

BTW = By The Way.
MIA = Missing In Action.
SOS = Save Our Souls.

SOS is a distress call, It doesn't really mean anything. The SOS signal was put into use late in the 19th century when radio communication between ships became possible. The letters SOS in Morse code are dot dot dot, dash dash dash, dot dot dot; it was used because it was easy to key and instantly recognizable.

btw=By The Way
mia=Missing In Action
sos=Save Our Ship

by the way
missing in action
save our souls

BTW: by the way
MIA: missing in action
SOS: help!!! (save our souls)

btw = by the way

mia = missing in action

sos According to some it is just a compilation of letters. According to others it means save our ship./

btw = by the way

mia = missing in action

sos = Save Our Souls

btw means by the way
and teh rest i dont know sry X(

btw= by the way
mia= missing in action
i don't know what sos means

btw-by the was
mia-?
sos- save our souls