pivot
n//ˈpɪv.ət//svängtapp, kärnpunkt, medelpunkt, vändpunkt, vridning, vändning
A thing on which something turns; specifically a metal pointed pin or short shaft in machinery, such as the end of an axle or spindle.
(figuratively, by extension) Something or someone having a paramount significance in a certain situation.
Act of turning on one foot.