The word "of" is a preposition that can be used in various ways. It can be used to show possession, belonging, or origin, as well as to express amount, number, or a particular unit. It can also be used to indicate position, typicality, a particular date in a month, or to connect particular adjectives and verbs with nouns. In general, "of" is a function word that can be used to indicate a point of reckoning, origin, derivation, cause, motive, or reason.
It is important to note that the meaning of "of" can vary depending on the context in which it is used. For example, when used in the phrase "cup of water," "of" indicates the contents of the cup. When used in the phrase "king of England," "of" indicates a possessive relationship.
Overall, the meaning of "of" is dependent on the context in which it is used and can have various meanings depending on the situation.