What does it mean if something is described as discordant?

When something is described as discordant, it refers to a lack of harmony or agreement. The term originates from music, where discordant notes clash rather than blend pleasingly together. In a broader context, if ideas, opinions, or elements are discordant, they are disagreeing or in conflict with each other. Therefore, the notion of being "not in agreement" captures the essence of discordance, highlighting the absence of unity or cohesion. This makes the correct answer a clear choice when interpreting the meaning of the word.