They require a superb degree of expertise and are not danced socially, but only for performance, if only inside a protective ring of spectators, as in the Cats' Corner jams at the Savoy Ballroom. It is solid, low, relaxed and energetic. Just as Swinging Jazz music feels very different from, say, Rockabilly music, Lindy Hop feels very different from other dances, such as WCS, ECS, Jive, and Rock'N'Roll-Jitterbug, especially in posture, partner connection, and musical connection. Lindy Hop is a Jazz dance. Jazz is dancing music.
Swing is Jazz music.