Talk:Redstone circuits/Logic/NOT

Okay, I recognize the symbol for the torches, but what do the yellow and green blocks mean? I key for the diagram would be very useful. –Preceding unsigned comment was added by 75.120.34.20 (talk) at 3:49, 16 September 2016 (UTC). Please sign your posts with
 * Help:Schematic has a key for standard schematics. Gold blocks are used for solid, stationary blocks; green wool is the input(s) to the circuit. -- Orthotopetalk 04:14, 16 September 2016 (UTC)