Here the "heart" represents the feelings and desires. Being completely devoted and obedient to God is spoken of as having a clean heart. AT: "Make me completely devoted to you" or "Make me want to obey you always" (See: [[rc://en/ta/man/translate/figs-metonymy]] and [[rc://en/ta/man/translate/figs-metaphor]])
# renew a right spirit within me
Here "spirit" represents the attitude and desires of a David. AT: "make my attitude right" or "make me always want to do what is right" (See: [[rc://en/ta/man/translate/figs-metonymy]])
"Do not force me to go away from you." Being rejected by God is spoken of as being forced to go away from him. AT: "Do not reject me as one of your people" (See: [[rc://en/ta/man/translate/figs-metaphor]])