A Line - IV

A wire or system of wires connecting telephone or telegraph systems - A passenger or cargo system of public or private transportation, as by ship, aircraft, or bus, usually over a definite route - A company owning or managing such a system - One's trade, occupation, or field of interest - A brief letter; a note - A usually specified number of lines of prose or verse to be written out by a pupil as punishment - The dialogue of a theatrical presentation, such as a play - A railway track or system of tracks -