Does iOS7 have a gesture function? How do you use IOS7 's new gestures?

1, in all the system built-in programs and adaptation IOS7 app, can be from the left side of the screen to the right to return to the previous level menu. (Fingers need to start sliding from the edge of the screen)

　　Gesture return

2, in the text message, a little pull to the left to show the specific delivery time of each message.

3, in the Calendar interface, sliding left and right can switch dates.

　　The gesture in Safari

4, in the Safari browser interface, the tab page to the left or to the right to slide to close the tab page;