Specifications
- All buttons should be interactive and perform an action.
 - They should be discoverable, easy to identify, and specific.
 - Provide voice command label to ease interaction.
 - If using multiple buttons, label them distinctly.
 - The size of the buttons should be used in proportion to the context and content around it.
 
Touch = UIs placed at 50cm (~20 Inch) from users
Buttons are bound to ergonomic requirements, do not scale them below 24mm. Scaling up beyond 60x60mm should foresee a full-hand push as common interaction.
| Example | Height (px or mm) | Use Case | |
|---|---|---|---|
| Small | 24px = 24mm | Tertiary Actions (i.e. Close or More) | |
| Default | 32px = 32mm | Primary Actions, Modals | |
| Large | 48px = 48mm | Free Floating Actions |