Which term best describes the confinement of a person to a specific place as a form of restraint?

The term that best describes the confinement of a person to a specific place as a form of restraint is custodial.

Custody refers to the legal control or supervision over an individual, which often includes the physical confinement of a person in a designated location. In a probation context, an individual may be placed under supervision and may be required to stay within certain boundaries or conditions. This ensures that they remain under the authority of the probation officer while also allowing for some degree of freedom compared to imprisonment, which is typically more restrictive.

Isolation refers more to separation from others, while detainment implies a temporary holding without direct legal authority over the individual, often in the context of law enforcement. Imprisonment indicates a more permanent and formal confinement, such as being held in a correctional facility, which is not as flexible as custody. Thus, custody is the most suitable term for describing the form of restraint that allows for some level of controlled freedom.