For a client’s living room, the decorator Alexandra Pappas sourced Fortuny fabric for the sofa pillows.Credit...Tim Lenz/Otto ...

Holiday Time has a lot of fun, kitschy pillows at Walmart this season (like this $7 option shaped like a mug of hot cocoa), ...

pillows, trays, and other accessories on a living room couch. Call it, perhaps, a sofascape. Or a vouchsafe. We’ll work not hat. But there is a method to the arrangement of throw pillows. And if you ...