preposition: at a higher level or layer than something else; over
The picture hangs above the fireplace.
adverb: in a higher position in a written or printed text; earlier in the same document
As mentioned above, the deadline is next Friday.
adjective: higher in rank, status, or importance
The manager holds a position above the supervisors.
adjective: out of reach; not accessible
The shelves were filled with books that were above her reach.
