Tile surface texture: Glossy, matte, or textured.
Slip resistance rating:
0.42+: Suitable for wet areas.
Below 0.42: Dry areas only.
Color/pattern differences among tiles:
V1: Uniform, minimal variation.
V2: Slight variation in texture or color.
V3: Moderate variation for a natural look.
V4: Significant variation, each tile is unique.