See more
As Don Norman — known for coining the term “UX” — said it best, “The real problem with the interface is that it is an interface. Interfaces get in the way. I don’t want to focus my energies on an interface. I want to focus on the job.”
Your button labels should inspire users to act with action verbs. When users read an action verb, they know what the button will do. They can take action without reading any supporting text such as confirmation dialog.
…gnition speed on options they haven’t discovered yet, not on the one they have already selected it. A solid icon for the active button isn’t necessary. It’s more important for the inactive buttons to get solid icons.