Rooms in japanese houses?

i have an assignment and well i need to know what rooms (eg.bedroom) there are usually in a normal family japanese home. i know there is a genkan (shoe area) but i need to know more. can u name the rooms, japanese name if possible and jsut a little description about the room like what they use it for. thx!Rooms in japanese houses?
. Read the sites below:


';...Many homes include at least one traditional Japanese styled room, or washitsu. It features tatami flooring, shoji rather than draperies covering the window, fusuma (opaque sliding vertical partitions) separating it from the other rooms, an oshiire (closet) with two levels (for storing futon), and a wooden ceiling. '; ........


.........'; There are two more tatami rooms upstairs, along with a wood-floored room and two small balconies. The balcony in the back has rusty metal stairs leading up to what is marked on the floor plans as a ';pu re ha bu.'; .....