گاهی خلاصه بنویسیم :D

B = be U= you @= at
C = see 2 = to or too CU @ 7 = See you at seven.
R= are 4 = for How R U? = How are you?
It is common to miss out vowels in some words:
txt = text msg = message
other abbreviations include:
b4 = before l8r = later gr8 = great 2day = today 2morrow= tomorrow