en_tn/mat/22/44.md

The Lord said

Here "Lord" refers to God the Father.

to my Lord

Here "Lord" refers to the Christ. Also, "my" refers to David. This means the Christ is superior to David.

Sit at my right hand

To sit at the "right hand of God" is a symbolic action of receiving great honor and authority from God. AT: "Sit in the place of honor beside me" (See: rc://en/ta/man/translate/translate-symaction)

until I make your enemies your footstool

This is an idiom. AT: "until I conquer your enemies" or "until I make your enemies bow down before you" (See: rc://en/ta/man/translate/figs-idiom)