Learn English – Difference between “plotting” and “drawing”

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What is the difference between plotting and drawing? I am a foreigner and I have been doing maths for years. Sometimes, I feel that difference but if someone suddenly asks me about it, I cannot describe that feeling.

Best Answer

Pictures are always drawn and never plotted. Artists draw. Architects draw blueprints. Engineers draw schematics.

Graphs and charts may be drawn or plotted. The implication is that a plot is exact or somehow determined, where a drawing can be freeform. I would use "plot" when asking math students to make exact graphs, e.g., "Plot y = x2 for x = -5..+5." If I asked a student to "draw the graph of y = x2", then the graph can be rough.

Plotting is also associated with planning a course of action. On a ship you can "plot a course".

There are also computer printers called "plotters" which draw pictures by moving a pen (or something else, like a knife).