Words that represent something else, such as objects or events, are known as what?

The correct response is based on the definition of terms in the context of communication and representation. Words that represent something else—such as objects or events—are termed symbols. In language, symbols function as representations that allow individuals to convey complex ideas, feelings, and concepts through simpler forms, essentially acting as a bridge between the tangible and the abstract.

For instance, consider how a word like "dove" is not just a term for a bird; it symbolizes peace in various cultures. This capacity to stand in for larger ideas or items is a central feature of symbolism in language.

The other terms listed do not fulfill this role in the same way. Expressions might refer to phrases or sayings that convey emotions or opinions, but they don’t specifically represent objects or events. Idioms are phrases whose meanings aren't deducible from the individual words, such as "kick the bucket" for dying, but they are not synonymous with the broad idea of representation. Synonyms, on the other hand, are words that have similar meanings but do not inherently carry the representative quality of symbols.