There is a title which tells you what the data in the time graph is about. The horizontal (X) and vertical (Y) axes or lines are labelled to tell you what data has been collected and when.
During this period, there was little difference between the growth performances of horizontal and vertical-focused software ...
The point needs to be plotted in line with 36 on the horizontal axis and 32 on the vertical axis. Image caption, Once all eight data points have been plotted give the graph an appropriate title ...