What term describes any content that is conveyed through speaking or writing?

The term that accurately describes any content conveyed through speaking or writing is "Message." In professional communications, a message encapsulates the information or meaning that the sender intends to communicate to the receiver. It can take various forms, whether spoken, written, or even non-verbal, but the essence remains the same: it is the core element that is being shared.

A message can be structured in many ways depending on the context, audience, and mode of communication, making it fundamental to effective communication practices. Understanding the concept of a message is critical for ensuring clarity, impact, and comprehension in both personal and professional exchanges.

The other terms, while relevant in broader communication contexts, do not specifically capture the nature of content being conveyed. Impression relates to the effect or perception created by the communication but does not focus specifically on the content itself. Leadership pertains to guiding or influencing a group, which is separate from the act of conveying information. Interpersonal communication refers to the interaction between people rather than the content structure itself. Therefore, "Message" stands out as the most appropriate choice in this scenario.