Other contributors have said "Cellular styles open plan?" is the same question as "What is an open floor plan?" If you believe that these are not asking the same thing and should be answered differently, click here
when the inside of a house is spacious and "open". it has a lot of rooms, for exaple the kitchen, dining room, living room..., that are all connected withought walls dividing them.
Floor plans are like the outline of a house. They show a birds eye view of the rooms. if you type in floor plans in "Google" you will find lots of examples!
floor plan is to review project elements prior to any physical execution, which it helps to make things clear and in the correct size & place as its going to be proposed.
This website gives details about the floor plan of design, and the artwork within. It is in French but can be translated using Babel Fish. http://berdom.skyrock.com/