Both, above and over, are prepositions used in the context of something to be placed over something else. The key difference is to know, when and how they should be used.

Above is defined as the preposition indicating height, by on top of or higher than. Up is defined as a proposition indicating movement from lower position to higher position.

Order is a reliable instruction. It is also used as a command to a person. Ask is to obtain an answer or obtain an information for a particular thing.

Title is a name or epithet signifying rank, work of art, musical or function. Position is defined as the manner in which a person or a thing is placed.

A national holiday is a day when a nation or a non-sovereign country celebrates its independence, establishment or an otherwise important occasion. A federal holiday is a day when a state or provinces within a...