House is a 35 year old genre that displays several characteristics similar to disco music with influences from soul and earlier r&b, produced by a synthesizer and from samples of disco or funk songs.
Techno is a 35 year old genre resulting from the melding of African American music including Chicago house, funk, electro, and electric jazz with music by artists such as Kraftwerk, Giorgio Moroder, and Yellow Magic Orchestra. This diverged into other styles including ambient, hardcore and IDM.
Breaks are a 30 year old genre which utilizes breaks, often sampled from earlier recordings in funk, jazz, and R&B, for the main rhythm and used in styles such as hip hop, jungle, drum and bass, hardcore, UK garage, 2-step, breakstep and dubstep and even pop and rock.
UKGarage is a 25 year old genre commonly feature 'chopped up' and time-shifted or pitch-shifted vocal samples complementing the underlying rhythmic structures which largely subsumed into other styles of music and production in the mid-2000s, including 2-step, dubstep, bassline and grime.
Downtempo is an umbrella term for several styles of electronic music (including trip hop, nu jazz, lounge) characterized by their mellow style and mid-tempo beats, emerged in the early and mid-1990s in "chill rooms" at dance clubs, where relaxing music was played to allow dancers a chance to "chill out" from the more emphatic and fast-tempo music played on the main dance floor.
Trance is gay, who cares.
