Final answer:
A living will, also known as an advance directive, is a written legal document that specifies the medical interventions and treatments a person wants or does not want in the event that they become incapacitated and unable to express their wishes.
Step-by-step explanation:
A living will, also known as an advance directive, is a written legal document that specifies the medical interventions and treatments a person wants or does not want in the event that they become incapacitated and unable to express their wishes. It allows individuals to make decisions about their healthcare in advance, ensuring that their preferences are known and honored.