Tap = A mouse click or brief touch with a single finger.
Press = Primary mouse button kept pressed, or a finger held onto the screen.
To add pages and forks, tap the dotted squares and diamonds. To add blocks to a page, tap the page footer. Tap items to edit.
To move any item across the drawing board, press and hold it briefly to unlock and then drag it to the desired position, and release.
To pan the drawing board when a form exceeds the screen size, press and drag it in the desired direction, or use the scrollbars.
To zoom in on and out of a specific area on the drawing board, double tap it. Pinch to zoom on touch devices. Or use the slider.