The Widget Panel consists of two parts, i.e. general widgets and containers. It contains all the widgets offered by Cocos Studio. To add a widget to the canvas you can drag the control onto the Canvas or Scene Graph.
In Widget Panel, hover over the widget icon an "i" button will appear in the upper right corner. Click the button to get short description of this widget, to get more help information about the widget just click the link to open a help page in the browser.