Definition: The word "ark" is an acronym which stands for "All Risk". The term refers to a type of health insurance that covers both catastrophic and acute (hospitable) illnesses, as well as pre-existing conditions, with no deductibles or co-payments. It typically covers more than one coverage period per year but not the same year, ensuring that you can choose the best plan for your unique needs. The term "health insurance" is defined as a program of voluntary health coverage provided by an employer to employees and their dependents. The term often includes medical services, prescription drugs, dental care, vision care, and other treatments and preventive measures. Health insurance ensures that employees can have access to the best available healthcare options for themselves and their families. The word "ark" is often used in the context of a long-term health benefit plan, which typically involves paying premiums for a group health insurance policy that covers both catastrophic and acute medical conditions, as well as pre-existing conditions. This type of policy can be tailored to meet individual needs and preferences, including those related to chronic disease management and preventive care.