Which of the following refers to non-consensual sexual activity in general terms?

The term that refers to non-consensual sexual activity in general terms is "Rape." This encompasses a variety of sexual offenses wherein consent is absent, and it is defined legally in ways that include penetration without consent, which can occur against a victim's will through coercion, force, or incapacitation. Rape is a grave violation of personal autonomy and consent, making it central to discussions about sexual offenses.

While the other options relate to specific forms of violence or coercive acts, they do not broadly capture the full scope of non-consensual sexual activity in the same way that "rape" does. For instance, sexual battery often refers specifically to unpermitted sexual contact, which may not include penetration. Abuse can be a broader term that encompasses various forms of maltreatment, and assault generally refers to a threat or attempt to inflict harm, which may not necessarily involve sexual acts. Thus, in the context of non-consensual sexual activity, "rape" is the most accurate term to describe the situation in a general sense.