Let us look at each of these individually. The function of the room includes how it will be used. Who is using it and what they will be doing in each room. Is it a public or private space? Each area has to be livable, be usable and function well for the activities intended for the space to be successful.
http://interiordesignideasnow.com and get started on the road to great interior design choices. See you soon and happy designing, Sheree Douglas ASID CID.