This document defines and provides examples of different types of adjectives: adjectives of quality, quantity, number, demonstrative adjectives, interrogative adjectives, and irregular comparisons. It explains that adjectives are used to describe nouns and give them characteristics to differentiate them. The types of adjectives include those indicating quality, quantity, number, as well as demonstrative, interrogative, and irregular forms. Rules are provided for forming comparative and superlative adjectives from positive forms.