Svg Path Do Not Close. You can see the magic happening in this pen. Enter an SVG path data the string inside the d attribute to visualize it and discover all its different commands.
SVG Paths can look incredibly intimidating with seemingly random numbers and letters scattered throughout.
Its a cheap n easy way to draw a straight line directly back to the last place the pen was set down probably the last M or m command. The following commands are available for path data. You can use an optional Z or z to close the path. If you only want to apply a stroke use CSS to disable the fill.