PRESENTATION OUTLINE
Tap and select a file or object - Double tap to open a file
Press down anywhere on the trackpad to physically click or double-click on a file.
right click on a file, object or on the desktop
tap on some text to lookup additional information
drag a window - must use at the top of the window
brush the surface in any direction to scroll around a page
Brush two fingers along the trackpad surface to scroll in any direction - vertically, horizontally or diagonally.
move apart to zoom in and out - E.g. on an image
zoom in and out in a document or webpage
will rotate an image - try it in preview!