The word "it" refers to "the righteousness" of [Romans 10:6](./06.md). Here Paul describes "righteousness" as a person who can speak. Paul uses a question to emphasize the answer he is about to give. AT: "But this is what Moses says" (See: [[rc://en/ta/man/translate/figs-personification]] and [[rc://en/ta/man/translate/figs-rquestion]])
Paul speaks of God's "message" as if it were a person who can move. AT: "The message is right here" (See: [[rc://en/ta/man/translate/figs-personification]])
The phrase "in your heart" is an idiom that refers to what a person thinks and believes. AT: "it is in what you think and believe" (See: [[rc://en/ta/man/translate/figs-idiom]])
Here "heart" is a metonym that represents the mind or will. AT: "For it is with the mind that a person trusts and is right before God, and it is with the mouth that a person confesses and God saves him" (See: [[rc://en/ta/man/translate/figs-metonymy]])