A more thorough explanation:

Definition: Carnalis copula is another term for sexual relations, which refers to sexual intercourse or physical sexual activity that may or may not lead to intercourse. It involves touching of the breasts, vagina, penis, or anus of another person, and both parties engage in sexual activity.

Examples:

• John and Jane engaged in carnalis copula last night.
• They didn't have intercourse, but they engaged in sexual relations by touching each other's genitals.

The examples illustrate how carnalis copula is a term used to describe sexual activity between two people, whether or not it leads to intercourse. It involves physical contact with the genitals or anus of another person, and both parties are actively participating in the sexual activity.