The result is such that bare copper wire can be routed and soldered between leads in a layout that closely resembles the way a PCB would be routed. The pictures say it all, so take a look.

A manufacturer’s perspective on determining parts layout.

Many people use protoboard and point-to-point wire everything ... drill or rotary tool, PCB drill bits, Scotch Brite scrubbing pad, good ventilation, 5-gallon plastic pail full of water.