Once you have created a new Whiteboard you will see many tools that you can use.
1. Cursor tool - select objects on the whiteboard
2. Drawing tool - draw on the whiteboard
3. Shapes tool - add shapes to the whiteboard
4. Line tool - add lines on the whiteboard
5. Text tool - add a text box to the tool
6. Sticky note tool - add a sticky note to the whiteboard
7. Image tool - add an image to the whiteboard
8. Eraser tool - erase objects on the whiteboard
9. Undo tool - undo last action
10. Redo tool - redo last action
11. Add page - adds a new whiteboard page.
12. Move toolbar - allows you to move the toolbar.
To learn more about the settings in whiteboard, use the link here.