The Fifth Amnedent provides the right to not incriminate oneself. What that means is if you are on trial, or a witness testifying at a trial, you are not required to answer any question that would provide evidence that you commited another crime.
"Right on" is an expression of agreement. If you wanted to concur with a statement made by another, voice your total and complete agreement with what they said, you might utter "Right on!".
In law a right has several different meanings: A right is something due to a person by a just claim, a legal guarantee or a moral principle. A right is a power, privilege or immunity that is secured...
"Right" has dozens of meanings consult a good dictionary for many of them. 1.in accordance with what is good, proper, or just: right conduct.2.in conformity with fact, reason, truth, or some standard...