What is elevation in material design?
Elevation (Android)
Elevation is the relative depth, or distance, between two surfaces along the z-axis. Specifications: Elevation is measured in the same units as the x and y axes, typically in density-independent pixels (dp).
What is elevation in UX design?
The elevation is the relative depth, or distance, between two surfaces along the z-axis. Measured from the front of one surface to another, an element's elevation indicates the distance between surfaces and the depth of its shadow.