Dell Venue 8 (7840, Early 2015) - Manual (Page 27)

Using Your Tablet | 27
To add a widget to the Home screen:
1 Touch .
2 Touch the WIDGETS tab at the top of the menu.
3 Touch and hold the widget you want to add to the Home screen.
4 Move the widget to the area you want to place it in and release
your finger.
NOTE: If there is an app or widget in the area you want to place
the widget, Android will automatically move that app or widget to
a nearby area.
Notifications
At the top‑left of the Home screen, you can find the notification
menu. Swipe down from the notification menu to access notification
alerts including the arrival of new messages, calendar events, ongoing
downloads, and so on.
To show more information for an individual notification alert, slowly
swipe down the notification to expand it. To access the related‑app,
touch the notification. To remove a notification, swipe it away.
NOTE: To clear all notification alerts, touch Clear all notifications
on the top‑right corner of the notification menu.