the world > space > relative position > quality of having sides or being a side > [adverb] > on the right (5)
On or towards the right side (of). Also: clockwise. See also right, left, and centre at phrases 7, right and left, adv.
On the right side, to the right.
On the right (hand). archaic. rare.
In the region to the right of a person or thing; on the right-hand side. Now rare.