The notion of
line or
straight line was introduced by ancient mathematicians to represent straight objects with negligible width and depth. Lines are an idealization of such objects. Until the seventeenth century, lines were defined like this: "The line is the first species of quantity, which has only one dimension, namely length, without any width nor depth, and is nothing else than the flow or run of the point which […] will leave from its imaginary moving some vestige in length, exempt of any width. […] The straight line is that which is equally extended between its points....................................This according to Wikipedia..........................................did you get that!?
And
there are lines drawn in the sand....................................................pick up lines................................
sport lines,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,line games.....................................................geometry lines /////////////////////////////////////////////////////////////////// cruise lines..................................line from a play...........................................................that 'blurred lines'......................................................
airlines...............................................green line in the subway.................................................and we could go on and on...............................................