AppBar
A top navigation bar for a screen — it shows the current title, an optional subtitle, an optional back button, and a slot for trailing actions.
GlassAppBar
A frosted, translucent top app bar for screens that overlay content beneath a blurred header — a title, optional subtitle, a back action, and trailing actions.
BottomNav
A fixed bottom navigation bar that switches between the top-level sections of a mobile app.
Fab
A floating action button for the screen's primary action — a circular icon button by default, or an extended pill that also shows a text label.