As used in this chapter:
"Charge" means the admission price or fee asked in return for invitation or permission to enter or go upon the land.
"House guest" means any person specifically invited by the owner or a member of the owner's household to visit at the owner's home whether for dinner, or to a party, for conversation or any other similar purposes including for recreation, and includes playmates of the owner's minor children.
"Land" means land, roads, water, watercourses, private ways and buildings, structures, and machinery or equipment when attached to realty, other than lands owned by the government.
"Owner" means the possessor of a fee interest, a tenant, lessee, occupant, or person in control of the premises.
"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, and viewing or enjoying historical, archaeological, scenic, or scientific sites.
"Recreational user" means any person who is on or about the premises that the owner of land either directly or indirectly invites or permits, without charge, entry onto the property for recreational purposes.