This document discusses how to describe trends and changes in business and everyday contexts. It provides verbs, nouns, adjectives, and adverbs to express negative and positive trends. Transitive verbs are used with an object, while intransitive verbs are not. Describing changes generally includes a verb or adjective/noun for movement, the speed or size of change, and a reason or consequence. Significant changes can use verbs like plummet or soar. The degree of a change can be specified using prepositions like from and to or the extent with by.