The document discusses phrasal verbs in English. A phrasal verb is a verb combined with a particle, such as a preposition or adverb, that takes on a new meaning. Some examples of phrasal verbs provided are "get up", "wake up", "go out", "turn on", "turn off", "put on", "take off", "look for", "look after", and "work out", along with their meanings and examples of use in sentences.