there is a line and ploting point
CiRcLe GrApH!
the x-axies
If they things you are comparing part of a whole, pie graph. If not, bar graph.
A cluster in a line graph is the major part of the line graph that connects to the plot.
It is the legend or key.
It is somewhat subjective what the most important part of a graph is. It is very important that you label each axis.
A pie graph
Then that part of the graph is below the x-axis.
Each segment of the circle graph represent a part of the whole.
A circle graph
by making the graph have an important missing part...(hope it helps!)
The graph could go on forever while a data table only shows a part of the graph.