Samsung Galaxy S6 User Manual page 33

Widgets
Widgets are simple application extensions that run on a Home screen.
There are many kinds of widgets, including links to a specific contact,
Internet bookmarks, Gmail and email accounts, and many others.
Add a Widget to a Home Screen
You can add a widget to a Home screen.
1. From a Home screen, pinch the screen.
2. Tap Widgets.
3. Touch and hold a widget, drag it to a Home screen, and release it.
Remove a Widget
You can remove a widget that you added to a Home screen.
1. From a Home screen, touch and hold a widget to release it.
2. Drag the widget to Remove and release it.
Note: Removing a widget does not delete the widget, it just removes
the widget from the Home screen.
Know Your Device 21 Home Screen