Perichoresis is a theological term that refers to the interpenetration of the three persons of the Holy Trinity - Father, Son, and Holy Spirit. It is a term that comes from the Greek word peri which means "around" and chorein which means "to make room." The concept of perichoresis is also known as circumincession or interpenetration. These terms describe the intimate relationship of the three persons of God, where they interweave and penetrate each other. Other synonyms for perichoresis include mutual indwelling, mutual coinherence, and mutual participation. These terms all highlight the central importance of the unity and interconnectedness of the persons of the Holy Trinity.