(B)A Homogenous blend of: A tree loving, beaded bracelet acoustic rocker and chuck taylor hightops, hooded black sweetshirt, dyed side bangs emotional high-pitched singer
(C) a really awesome band
Jimmy Eat World was indiemo, but they changed to power pop/lame pop rock in the late 90's.
Emo has nothing to do with emo kids, and was around 20 years before term emo kids was invented. Emo kids like metalcore and pop punk, not emo.