Do you mean something like plot (high-low)?

This would give you the difference between high and low, but seems to obvious an answer to your question.

Hi, Just started on my journey to learning Pine Script. My first project I already have a quick question that I can't seem to find any information on: I want to draw a bunch of static horizontal lines on my chart. They won't change and just mark arbitrary price points. Is it better to use plot or ju...