"P" in a text message usually stands for "please." It is often used to convey politeness or a request in a brief and informal way.
BWT is short for about Example i've just txt her bwt it
For The Loss
is
What I wore
hmft
When you see txt/IM, that means text or instant message.
The file is just a plain text file. Txt is an abbreviation for text.
Later
People
it means people
on the contrary
Food For Thought