/tóɡəl/
noun:
1. a device for fastening sewn to one side of a garment allowing passage through a hole or loop on the other side,
“They make harpoons for hunting fish, pins for sewing up leather shoes, toggles for their fur-lined leather `parka' coats.” – John Lewis, reporting on hunter-gatherer life after the Ice Age in southern Britain.
2. computing, a switch, key, or command that goes back and forth between two modes or operations, verb: 1. to fasten, pull together two parts of an object or a garment, 2. to change direction or focus; to switch back and forth between one operation or feature to another. “The fewer ‘switches,’ the better. Time and attention are lost each time you toggle between activities.” – David Myer, cognitive neuroscience specialist.