Record Button
Clicking the red Record button lets you begin recording a disc. The Record button has other parts:
Space Indicator. Displays approximately how much of a disc will be full depending on the type of disc you plan to record it to.
CD/DVD button. Click this button to toggle the type of media that the Space Indicator shows free space for (CD or DVD).
Recorder Options button. The green Recorder Options button displays the different recorders that are available for you to choose from, as well as a link to the Recorder Settings dialog (which lets you change preferences for the selected recorder).
Recorder Name. Displays the name of the currently-selected recorder. If more than one recorder is connected to your computer, click the name of the recorder to cycle through them.

See Also:

About the Toast Main Window
Data, Audio, Video, and Copy Tabs
Content Area
Disc Settings Drawers