n. Something enclosed, i.e. inserted into a letter or similar package.n. The act of enclosing, i.e. the insertion or inclusion of an item in a letter or package.n. An area, domain, or amount of something partially or entirely enclosed by barriers.n. The act of separating and surrounding an area, domain, or amount of something with a barrier.n. The post-feudal process of subdivision of common lands for individual ownership.