The document discusses the parts of speech in the English language. It describes the 8 main parts of speech as nouns, pronouns, verbs, adjectives, adverbs, prepositions, conjunctions and interjections. It further categorizes them into two types - open/major classes (nouns, verbs, adjectives, adverbs) and closed/minor classes (pronouns, prepositions, determiners, conjunctions, interjections). The document provides examples and descriptions for each part of speech.