The polyline line type describes the number of interruptions in the polyline. Examples are solid, dashed, dash-dotted. [Default is SOLID.]
Additional Information on:
The width of the line, usually ignored on terminals, but respected in e.g. PostScript files. [Default is 1.]
The colour to be used to plot lines. Two colours are known on every workstation: BACKGROUND and FOREGROUND. If your workstation has colour facilities, you can add further colours using !COLOUR. [Default is FOREGROUND.]