This document defines terms related to outdoor recreation: (1) outdoor recreation includes activities that occur outdoors in an urban and man-made environment as well as those activities traditionally associated with the natural environment; (2) outdoor education is education in, about, and for the outdoors; (3) environmental education is an integrated process that deals with man's interrelationship with his natural and man-made surroundings; (4) wilderness education is learning to use the wilderness with so little disturbance that the signs of our passing will be healed by the seasonal rejuvenation of nature; (5) experiential education is often used synonymously with adventure education or outdoor pursuits; (6) outdoor pursuits are those activities that entail moving across natural land and/or water resources by non-mechanized means of travel; (7) adventure education is outdoor pursuits that apply stress to or challenge the participants purposefully; (8) wilderness recreation and pursuits are activities that involve the use and appreciation of natural resources and that rely on values of wildness for fulfillment of its purposes; (9) tourism is the interaction of business suppliers, host governments, and host communities in the process of attracting and hosting tourists and other visitors; and (10) commercial recreation is the wholesaling and retailing of leisure experiences and products. (KS)