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Button labels tell users what will happen when they click the button.
Use sentence-case capitalization.
Use verbs that describe the action, such as Add or Delete.
Use sentence-style capitalization.
For groups of buttons, use specific labels describing the actions, such as Save or Discard, rather than general terms such as OK and Cancel. This is particularly helpful when the user is confirming an action.Labels should be short and meaningful. Try not to use more than 3 words.
Internal logic
As per each individual button type.
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Interaction (general for all buttons)
Clicking the button’s button target area will initiate its action.
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When hovering, the mouse cursor changes from a pointer to a
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hand.
 | … to a hand. |
Validations and errors
According to button type.
For further information, see /wiki/spaces/ENG/pages/33555837.
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Do not use Buttons as navigational elements → use Links.
In most cases, do not use more than 3 three words for a button labelslabel.
Choose labels which are short and meaningful.
Avoid using acronyms as labels in buttons. Use language which the user will understand.
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As per each individual button type.
Related
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https://experience.sap.com/fiori-design-web/button/
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