Principles of Material Design: Material is the metaphor. A material metaphor is the unifying theory of a rationalized space and a system of motion.
Bold, graphic, intentional: The foundational elements of print-based design – typography, grids, space, scale, color, and use of imagery – guide visual treatments.
Motion provides meaning: Motion respects and reinforces the user as the prime mover. Primary user actions are inflection points that initiate motion, transforming the whole design
Material Design is used across many enterprise applications and is the gold standard for User Interface Design.