guys go youtube and search for learn dota 2: warding, pulling and lane configuration.

Warding:
radiant ward - http://www.youtube.com/watch?v=VQn8UCNRc_U
dire ward - http://www.youtube.com/watch?v=shUh1ZS7G_Y
counter ward - http://www.youtube.com/watch?v=hx1IkBaFP5Q

pulling camps/stacking: http://www.youtube.com/watch?v=KFFu-Q4X9mM

Lane configuration: http://www.youtube.com/watch?v=NYfjyvsMSQE