Right is a initialism of rtol.
As an adjective right
is (archaic) straight, not bent.
As an adverb right
is on the right side or right
can be exactly, precisely.
As an interjection right
is yes, that is correct; i agree.
As a noun right
is that which complies with justice, law or reason.
As a verb right
is to correct.
As an initialism rtol is
(photography|graphic design) right to left
: used when identifying people in a picture or image for example, an image of three people can have the caption: "rtol: bill, sam and phil".