"Line width" refers to the thickness or width of a line, often associated with drawings, illustrations, or writing. It describes how thin or thick the stroke of a line appears. Full definition
You can also control the font size, font type, paragraph spacing and line width for an optimal reading experience. (whatsoniphone.com)
Both diagonal - paths have a very thick line width (line expansion) with their edges running parallel on both sides of the original diagonal - path. (minusspace.com)
A distinguishing feature of a Kagi chart is the different line width. (tradingsetupsreview.com)