When should i use a mask behind a FAB button?

1. What does the Float button do?
2. What does floating icon mean?
3. What does FAB stand for in UX?

What does the Float button do?

A floating action button (FAB) is a circular button that triggers the primary action in your app's UI.

What does floating icon mean?

A floating action button represents the primary action in an application. A floating action button is used for a promoted action. Shaped like a circled icon floating above the UI, it changes color upon focus and lifts upon selection. When pressed, it may contain more related actions.

What does FAB stand for in UX?

A Floating Action Button (FAB) is a circled icon floating above the user interface. Its shape, position, and color ensure it stands out from the rest of a UI. FAB was popularized by the release of Google's Material Design principles in 2014.