The document discusses compound adjectives and provides examples. It explains that compound adjectives are frequently hyphenated between the words, with the second word often ending in "-ed" or "-ing". Examples of compound adjectives are given, including those with a number/measurement plus noun, adjective plus noun, noun plus adjective, adjective/adverb plus "-ed"/"-ing", verb plus preposition/adverb, and self plus verb/adjective/noun. The document notes that compound adjectives commonly use a hyphen to join the elements.