Terms used in §§ 20-9-19 to 20-9-23, inclusive, mean:
(1) "Land," all land, trails, water, watercourses, lakes, ponds, reservoirs, or improvements to real property, except for machinery and equipment on or attached to the realty, when located on lands owned, leased, or managed by any political subdivision of South Dakota, all areas designated as snowmobile, equestrian, hiking, or other recreational trails by any political subdivision of South Dakota, all private lands leased by any political subdivision of South Dakota, for public hunting, and all lands owned, leased, or operated by any political subdivision of South Dakota and operated as a park; and
(2) "Outdoor recreational purpose," includes any of the following activities or any combination thereof: hunting, fishing, swimming other than in a swimming pool, boating, canoeing, kayaking, camping, picnicking, hiking, biking, skateboarding, in-line skating, sledding, horseback riding, off-road driving, nature study, water skiing, team sports, snowmobiling, skiing, climbing, spelunking, para-sailing, hang gliding, shooting, observing wildlife, viewing or enjoying historical, archaeological, scenic, or scientific sites, or engaging in any other form of outdoor sport or recreational activity of any sort.