The document discusses comparative adjectives and how to use them when comparing two things. It provides examples of sentences using comparative adjectives with "-er" endings like "stronger" and "faster", as well as irregular forms like "better", "worse", and "further". It also discusses using "more/less" with adjectives of two or more syllables and "as...as" or "not as...as" for equal or negative comparisons. Key patterns and exceptions for forming comparative adjectives are outlined.