Making parallel circuits

A parallel circuit is a circuit with more than one complete loop, from one end of a battery to the other end. A circuit is built systematically following a circuit diagram, round in one direction, starting from any point. A parallel circuit is built systematically, completing each loop of the circuit in turn. A circuit diagram is drawn systematically, following each loop round and completing each one in turn. Wires in a circuit diagram are drawn with a ruler for clarity, with no tiny gaps that would break the circuit.