No, the actual foundation of the house is located under the basement floor. It works the same way a two story house does. You would not confuse the ceiling of the first story with your foundation.
Basements have always been part of a house. The same as upper floors and attics are. Some may not have either but they do not become a part of it, they are a part of it.
Basements is a plural noun.
What the house rests on is the foundation. It's the lowest level of the house. It's the lowest part that's in contact with the ground, to hold the house in place.
No. Ceiling fans don't come under furniture. They might be described as fitments.
Foundation is a noun.
ceiling
The word foundation has a few different meanings; the basis of anything, the natural ground or base on which some structure rests, and the wall usually of masonry as the lowest part of a building. Sentences for each definition are, "Both God and Jesus are the foundation of Christianity," "On the foundation lay tons of rocks," and, "They have just finished building the foundation for the new house."
The foundation supports the column.
It is once it is installed.
A strip foundation is best known as the lowest part of your structure. The strip foundation is the first piece of supporting layer that is used with a foundation.
ceiling
you should go into a bathroom if there is one in your basement (the reason why i say bathroom is because some basements are made to be like another house) but if you use your basement for storage you should take a mattress down there and stay in a corner.