Which of the following is most likely included in a jurisdictional definition?

A jurisdictional definition typically refers to the authority granted to a legal body, such as a court or governmental entity, to make legal decisions and judgments. This authority can be over persons (individuals and entities) or territorial boundaries (the geographic area in which that authority is exercised). Thus, the element regarding "power over person or territory" directly aligns with the concept of jurisdiction itself, illustrating how and where that legal authority operates.

In contrast, options like currency exchange laws, procedures for hiring legal counsel, and regulations for document preparation pertain more to specific legal processes or operational matters, rather than establishing the foundational boundaries and authority that define jurisdiction. Hence, the focus on the power over persons or territory encapsulates the essence of what jurisdiction entails, making it the most suitable answer.