What is meant by the term "cliché"?

The term "cliché" refers to an expression, idea, or element that has become overly familiar or commonplace due to excessive use. It often describes phrases or concepts that were once considered original or insightful but have lost their impact and significance because they are so frequently encountered. For example, phrases like "think outside the box" and "time heals all wounds" are considered clichés because they are commonly used in a variety of contexts, making them less effective in communication.

In contrast, the other options focus on concepts that signify originality or complexity. An original idea reflects creativity and innovation, a complex concept implies a notion that is intricate and sophisticated, and a creative metaphor involves imaginative comparisons that enhance understanding. None of these accurately capture the meaning of cliché, which is rooted in the notion of overuse rather than novelty or depth.