The dashboards discussed here are classic dashboards created using the dashboarding functionality integrated with previous Dynatrace.
Dynatrace offers a number of specialized tiles that you can add to your dashboards, as well as various data visualizations you can configure in Data Explorer and then pin to your dashboards as tiles.
You can create data visualizations in Data Explorer and then pin them to your dashboards as tiles. If you're new to creating visualizations, see Data Explorer quick start for a quick walkthrough.