In this chapter:
(1) "Cavern activity" means an activity inside a cavern at a cavern area for recreational or educational purposes.
(2) "Cavern activity participant" means an individual, other than an employee of a cavern entity, who engages in a cavern activity.
(3) "Cavern activity participant injury" means an injury sustained by a cavern activity participant, including bodily injury, emotional distress, death, property damage, or any other loss arising from the person's participation in a cavern activity.
(4) "Cavern area" means a commercial property with a natural cavern designed to provide cavern access for cavern activities.
(5) "Cavern entity" means a person engaged in the business of owning or operating a cavern area.