Which term describes the effect or influence of something on another?

The term "impact" specifically refers to the strong effect or influence that one thing can have on another. In literary and critical contexts, this term is often used to describe how themes, characters, events, or contexts influence each other within a piece of literature. It captures the idea of an effect that can change or shape perceptions, outcomes, or understandings.

While the other terms also relate to influence, they do not encapsulate the notion of a strong effect in the same comprehensive way. For instance, "affect" often describes the action of having an influence, primarily focusing on emotional responses, while "contribute" implies a more additive role rather than a direct impact. "Suggest" pertains to hinting or implying rather than exerting influence directly. Therefore, "impact" most accurately conveys the concept of one entity significantly influencing another.