A more thorough explanation:

Definition: Res controversa is a Latin term used in civil law to refer to a matter in controversy or a point in question.

Example: A property dispute between two parties is an example of res controversa. Both parties claim ownership of the property, and the matter is in dispute until a resolution is reached.

The term res controversa is used to describe any legal matter that is in dispute or under question. It can refer to a wide range of issues, including property disputes, contract disagreements, and legal claims. In each case, the matter is unresolved and requires legal action or negotiation to reach a resolution.