Splunk provides a fine collection of charting resources to be used for creating dashboards. You can check the full Chart configuration reference in the documentation found at:
https://docs.splunk.com/Documentation/Splunk/latest/Viz/ChartConfigurationReference
In version 7.0, they've gone on and expanded the charting collection by adding some cool, new chart enhancements that increase the selection of visual styles and chart options, all geared to improving the visualization of metrics and multi-series monitoring use cases.
Line width, line style, and a new series comparison option in the legend are included in these enhancements, and all are editable by SimpleXML.
Let's take a look at a few of these new options.