RTIs
The term "rtis" is not a recognized word in standard English dictionaries and lacks a widely accepted definition in common usage. It does not appear to be an acronym, a technical term in a specific field, or a commonly used slang term. Without further context, it is difficult to determine the intended meaning of "rtis."
It is possible that "rtis" is a typographical error, perhaps intended to be "artis" (as in artist
To understand the meaning of "rtis," additional information about where the term was encountered or its intended