RIP is the correct answer
Rest in Peace
Rest in Peace
yes, it means rest in peace
R.I.P. doesn't mean Rest In peace, but "requiescat in pace", which in Latin means "let him (this person) rest in peace". That the 2 phrases have the same acronym is just a lucky coincidence.
The proper abbreviation for extension is "ext."
The proper abbreviation for kilohertz is kHz.
The proper abbreviation for Sunday is Sun.
The proper abbreviation for Registered Chemist is RCh.
The proper abbreviation title for an attorney is "Esq."
There is no proper abbreviation for the word global. It is often symbolized by a letter G in acronyms. As far as an abbreviation goes, many people use Gl., but this is in no way a proper abbreviation.
The accepted abbreviation is Depr.
there is no abbreviation