The thing is to focus on the shimmer

“One Thing’’ (water-based paints and acrylic matte media on stretched canvas), by Renee Khatami, in the big group show “Abstract Visions,’’ at the Silvermine Arts Center, New Canaan, Conn., through April 20.

The name "Silvermine" comes from old legends of a silver mine in the area, although no silver has ever been found. The Silvermine area was long an arts colony.

Silvermine Tavern and mill pond.