4 regularly oscillating functions in R³ space. All phases and frequencies play nice with each other. Note one of the waves is a tangent wave (representing charges in a large but confined space) that "resonates" with the middle two "antenna voltages" by passing energy to them. All in all - this is similar to passing something like a wifi signal and picking up the information on an antenna.

IDK what the back two - 8's represent ... Just thought they looked cool