The art of going into the wilderness with little to no supplies and improvising to build a shelter, gather food, gather water, and survive. This is also used as a emergency survival situation simulation (E.S.S.S.) simulating an emergency in the middle of nowhere and learning to live off of the land for multiple days. An example of these simulations is the T.V. series Alone.
Bushcraft, Wandering in the overgrown pubic hair of the lady of your choice and having the ability to navigate ones way, through said Bush and reach ones destination unscathed. Bushcraft, Survivalist, surviving in the undergrowth.
Examples of Urban Bushcraft being- Piercing the yolk of an egg with a needle, matchstick e.t.c before microwaving it to ensure it dosent explode during cooking. Stuffing crumpled Newspaper under your clothes if you are forced to sleep without shelter and turning a Pringles Tube into a rudimentary pipe in the absence of cigerrette rolling papers.