HTC One E8 - Manual (Page 31)

Press and hold
To open the available options for an item (for example, a
contact or link in a webpage), just press and hold the item.
Swipe or slide
Quickly swipe your finger horizontally across the screen to go
to other Home screen panels. Swipe vertically to scroll through
a list, document, and more.
Drag
Press and hold your finger with some pressure before you start
to drag. While dragging, don't release your finger until you
have reached the target position.
31 Your first week with your new phone