How is consent defined in terms of sexual relationships?

Consent in sexual relationships is fundamentally characterized by an agreement between participants to engage in sexual activity. This definition emphasizes the importance of mutual understanding and willingness, ensuring that all parties involved actively agree to participate without any coercion or pressure.

Consent must be clear, informed, and voluntary, which means that it should be communicated openly and can be revoked at any time. The definition encapsulated in the correct answer highlights that consent is not merely assumed or implied; it requires affirmative engagement from everyone involved. Understanding consent in this detailed manner is crucial in promoting healthy and respectful sexual interactions.