 | Plays audio (when enabled) |
 | Opens a "Pop Quiz" (when enabled) |
 | Plays a video (when enabled) |
| Plays a video clip (when enabled) |
 | Displays tips/trivia (when enabled) |
 | Displays your scores and grades |
 | Opens the online glossary |
 | Prints the current frame |
 | Opens the online help |
 | Exits the current lesson, or quits the program |