The kiss principal works well for a simple thinker such as I, and as such, given that most folk will be aware of the positive and negative battery connections, the requirement to observe correct polarity, and additionally may well understand a simple light bulb circuit with a switch, then perhaps in discussions it might be worth adopting NEGATIVE as a standard term for the part of the circuits route back to the battery negative terminal...?
How would that work with positive earth cars?
