-Title of each graph is a regex (regular expression) matching all plotted
-test case throughput measurements.
+*Title of each graph* is a regex (regular expression) matching all plotted
+throughput test cases, *X-axis labels* are indeces of csit-vpp-perf-1701 jobs
+that created result output files used as data sources for the graph,
+*Y-axis labels* are measured Packets Per Second [pps] values, and the *graph
+legend* identifes the plotted test suites.