According to Saeed and Wellisch, The division in word classes distinguishes function words from content words. Function words (determiners, prepositions, conjunctions, etc.), are words that serve as syntactic glue to combine words into sentences. Content words (nouns, verbs, adjectives, adverbs) carry most of the descriptive payload of a sentence. In the sentence "He asked me to give her a haircut", the content words and "asked", "give", and "haircut