The ollie is a very simple trick, The first you should learn.  An ollie is basically when you board jumps in the air with your feet.  Almost all tricks combine with the Ollie, Nollie, Fakie, or Switch position. The Ollie is in your regular stance.  The Nollie is in your Switch stance on the nose of the board.  The Fakie is on your regular stance only off the nose.  And the Switch is in your opposite stance or Switch stance. The Nollie and Fakie are both off of your nose in either your regular stance or switch stance.  They are still just basically the same as the Ollie only more challenging.