On a line graph, the points are connected by a line. Hence the name 'line graph". A line plot is, A line plot can be used as an initial record of discrete data values. The range determines a number...
Line plots are used to figure out how much of one value is in a set of data. Histograms are used to show/compare data in what seems like a bar graph, but instead it used to compare data over a period...
im pretty sure the difference is plot means summary, basic, or most important part(s) of a story. when a story line is basically the same thing but with more details, or the whole story shortened...