A graph in visual form that expresses the important characteristics of a situation and does not necessarily have numerical values is
a qualitative graph.
a discrete graph.
a continuous graph.
a cosmograph.

Question

Mercury · Answer

old question but will answer so this can be closed
most data can be classified as either "quantitative (basically, numbers) or qualitative data (basically, qualities other than numbers)
based on this try to see which choice might be the best description of a graph that doesn't involve numbers