Shows or hides (default) the tessellation triangles so that you can have more control while adjusting settings.
In the main Maya window, select Modify > Convert > Displacement to Polygons to preview the effect of your tessellation and displacement together, then discard the generated polygon object when you are finished previewing.
When advanced tessellation with min screen is on, the tessellation only updates when refresh is pressed.
This is the number of render triangles in the surface when a tessellation is displayed.
See Curvature Tolerance in Set NURBS Tessellation Options.
See U Division Factor, V Division Factor in Set NURBS Tessellation Options.