Graphical languages are quite common in the industrial controls space, ladder logic in particular. Horrendously cumbersome to you or me, but usable by controls

Graphical languages are quite common in the industrial controls space, ladder logic in particular. Horrendously cumbersome to you or me, but usable by controls engineers and factory technicians. https://en.wikipedia.org/wiki/Ladder_logic https://en.wikipedia.org/wiki/Ladder_logic