What does Ezekiel 42:14 mean?

Once the priests have entered these rooms, they must not go out into the outer courtyard until they leave behind the holy garments they wore while serving. They must change clothes before going out to the public area. Ezekiel 42:14 - Modern Text Bible

(Priests had to change out of their sacred clothes before entering public spaces, showing respect for the holiness of their service and the separation between sacred and ordinary life.)