TOU
I believe you are thinking of "abbreviation".
OMM is a common abbreviation used in the chatroom/text language. It stands for On My Mind, thereby if someone is stressed and worried about something, they may put OMM in their text to abbreviate this.
The common abbreviation for the word "provided" is "prov." This abbreviation is often used in legal, academic, or formal writing to save space or streamline text.
"INTJ" is an abbreviation used in the Myers-Briggs type indicator. It stands for introversion, intuition, thinking, and judgment. It is used to refer to a personality type.
The abbreviation is commonly recognized as internet/phone slang as a short way of spelling "Favorite" or "Favorable", its general use is online and through text messaging.
You place begin as a text abbreviation for beginning
The abbreviation "pH" stands for "potential of hydrogen" in text.
In text messages, the abbreviation "nk" typically means "no kidding."
'LYMY' is the abbreviation for 'Love You, Miss You' in text.
"BYF" is an abbreviation for "Bring Your Friends."
Abbreviation of 'what is up'
database
kend is a common abbreviation for weekend in text messages according to the Urban Dictionary
I would presume that the abbreviation for book would just simply be bk, as it is a way of both shortening the word, and removing the double vowel, so that it is easier to text.
the abbri is read txt
Hyper Text Transfer Protocol.
Hyper text transfer protocal