Tools

These are the different brushes / drawing tools. You can change the line thickness and color, and even choose a fill color for shapes.

(Stroke is the outline and fill color is the color inside the shape)

Drawings

Your drawings and other users' drawings will appear here. You cannot draw outside the dotted line.

Until you press the Save button above, your drawing is not saved. Once it is saved, you can always undo what you did. Even when you come back later.