As used in this act:

(a) “Land” means land, roads, water, watercourses, private ways and buildings, structures, and machinery or equipment when attached to the realty and includes agricultural and nonagricultural land.

(b) “Owner” means the possessor of a fee interest, a tenant, lessee, occupant or person in control of the premises.

(c) “Recreational purpose” includes, but is not limited to, any of the following, or any combination thereof: Hunting, fishing, swimming, boating, camping, picnicking, hiking, pleasure driving, nature study, water skiing, winter sports, noncommercial aviation activities and viewing or enjoying historical, archaeological, scenic, or scientific sites.

(d) “Charge” means the admission price or fee asked in return for invitation or permission to enter or go upon the land.

(e) “Agricultural land” means land suitable for use in farming and includes roads, water, watercourses and private ways located upon or within the boundaries of such agricultural land and buildings, structures and machinery or equipment when attached to such agricultural land.

(f) “Farming” means the cultivation of land for the production of agricultural crops, the raising of poultry, the production of eggs, the production of milk, the production of fruit or other horticultural crops, grazing or the production of livestock.

(g) “Nonagricultural land” means all land other than agricultural land.