This document discusses prepositions in English. It defines prepositions as words that connect other words in a sentence to nouns or pronouns, expressing ideas like location, direction, time, manner, and more. Common prepositions include words like about, above, across, after, along, and more. Examples are provided to illustrate how prepositions indicate position or direction. An exercise is included asking the reader to choose the correct preposition from parentheses to complete sentences.