This is a superscription that tells about the psalm. Some scholars say that this is part of the scripture and some say that it is not. (See "What are Superscriptions in Psalms" in [Introduction to Psalms](../front/intro.md).)
The phrase "my right hand" refers to the place of honor. Alternate translation: "Sit at the place of honor which I have for you" (See: [[rc://en/ta/man/jit/figs-idiom]])
Here David describes Yahweh placing his master's enemies under his power and control as putting them under his feet like a footstool. Alternate translation: "put your enemies under your power" (See: [[rc://en/ta/man/jit/figs-metaphor]])