PREPOSITION

[noun] [C] - a word which is used before a noun, a noun phrase or a pronoun, connecting it to another wordIn the sentences, 'We jumped in the lake', 'There were cheers at the end of the performance' and 'She drove slowly down the track', 'in', 'at', 'of' and 'down' are prepositions.See picture: Prepositions expressing movement