Things mentioned in this Act shall mean corporeal things, electricity, and other natural forces which can be managed.

(1) Land and things firmly affixed thereto shall be immovables.
(2) All things other than immovables shall be movables.

(1) If the owner of a thing has attached thereto another thing owned by him in order to permanently facilitate the use of such thing, the thing so attached shall be an accessory.
(2) An accessory shall follow the disposition of the principal thing.

(1) Products derived from a thing in conformity with the use for which the thing is intended shall be natural fruits.
(2) Money and other things accruing as consideration for the use of a thing shall be legal fruits.

(1) Natural fruits shall belong to the person who has the right to take them at the time of their severance from the principal thing.
(2) Legal fruits shall accrue in proportion to the number of days during which the right to acquire them continues to exist.