Read the dictionary definition of over. All definitions for this word.
1. (cricket) the division of play during which six balls are bowled at the batsman by one player from the other team from the same end of the pitch
2. having come or been brought to a conclusion
1. the harvesting was complete
2. the affair is over, ended, finished
3. the abruptly terminated interview
3. over the entire area
1. the wallpaper was covered all over with flowers
2. she ached all over
3. everything was dusted over with a fine layer of soot
4. throughout a period of time
1. stay over the weekend
5. at or to a point across intervening space etc.
1. come over and see us some time
2. over there
6. throughout an area
1. he is known the world over
7. beyond the top or upper surface or edge; forward from an upright position
1. a roof that hangs over