Complex sentence: Some terms refer to a location, like "Akiba-kei" is a slang term meaning "Akihabara-style" which applies to those familiar with the Akihabara culture and a type of cheering that is part of Akiba-kei.
Split into simpler sentences: Some terms refer to a location, like "Akiba-kei", a slang term meaning "Akihabara-style" which applies to those familiar with Akihabara's culture. Another is, a type of cheering that is part of Akiba-kei.