Touch screen actions
To interact with the touch screen user interface, tap or tap and hold the touch screen.
Open an application or other screen element
Tap the application or element.
Access item-specific options 
Tap and hold the item. A pop-up menu with available options opens.
Scroll in a list or menu 
Place your finger on the screen, slide it quickly up or down the screen, and then lift your finger. The content of the screen scrolls with the speed and direction it had at the moment of release. To select an item from a scrolling list and to stop the movement, tap the item.
Swipe 
Place a finger on the screen, and steadily slide your finger in the desired direction.