Hiking is a general word for traveling on foot in wilderness or countryside. Day hikers return before nightfall. Other hikers may go out for many days. Sometimes large groups hike together.
Hiking is a kind of physical activity as well as a leisure activity (a way of spending free time). Hikers (the people who do hiking) enjoy fresh air and the beauty of nature, and learn about the place. Many hikers enjoy challenging their physical and mental strength. Hiking with friends gives them the chance to become stronger.
Planning starts with a hiker deciding what he wants from the hike. A traveler should examine the information on landscape, climate, weather, plants, animals, type of ground, and so on. Based on that information, a hiker decides what equipment (tools) he needs. Writing everything on paper is strongly suggested to not forget anything. A hiker should choose the itinerary (the way of the hike).
Equipping means getting specialized clothing and equipment. Overnight hiking requires carrying more supplies, usually in a backpack, though many use a backpack even for a day hike. Suggestions for equipment can be found in any hiking book. A hiker is suggested to learn more than one source and work. Equipping sometimes needs getting skills in using the apparatus. Basic skills–different ways of orientation (the ability to find the way, for example)–must be developed before hiking.