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The label describes the content contained within each tab, and sets user expectations.
They should be short: one or two words maximum.
Icons are not permitted as tab labels.
States
Main Tabs | 2nd Level | Details Pane Tabs | Ribbon Tabs | Ribbon Tabs - Collapsed | |
Regular |  |  |  |  | |
Hover |  |  |  |  | |
Active |  |  |  |  | |
Selected |  |  |  |  | Expands the Ribbon |
Focused, Regular |  |  |  |  | |
Focused, Hover |  |  |  |  | |
Focused, Active |  |  |  |  | |
Focused, Selected |  |  |  |  | Expands the Ribbon |
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