Definition: A preposition is a word that links nouns, pronouns, and phrases to other words in a sentence, indicating the relationship between them. They often establish the relationship of location, direction, time, or possession.Usage: Prepositions are used to provide additional information about when, where, or how something happens in a sentence. They are indispensable for expressing ideas clearly and accurately.Types: Prepositions can be categorized into several types based on their usage:1.Prepositions of place: indicate location or position (e.g., in, on, at).2.Prepositions of time: indicate when something happens (e.g., before, after, during).3.Prepositions of direction: indicate movement towards, away from, or around something (e.g., to, from, towards, away).4.Prepositions of agency: indicate the doer of an action (e.g., by, with).5.Prepositions of manner: indicate how something is done (e.g., by, like, as).6.Prepositions of possession: indicate ownership or relationship (e.g., of, belonging to).