In communication, meanings refer to a person's

The correct option is Internal responses to a message.

In the field of communication theory, "meanings" are not external physical entities or objects; rather, they are cognitive and emotional representations that exist within individuals. When a person receives a message, their brain decodes the sensory inputs and interprets them based on their personal experiences, cultural background, beliefs, and attitudes. This process of interpretation constitutes their subjective, internal response to the received stimuli.

Therefore, meanings are fundamentally internal responses to a message rather than just external reactions, pre-existing notions about the world, or suppression of messages.