Ben Richardson looks at a couple of Power BI visuals:
In this article, you will learn how to work with Treemaps and Tables, which are two of the most commonly used Power BI visuals. You will also see how slicers can be used in Power BI to dynamically update the data in Treemaps and Tables. Power BI Visuals are extremely easy to create and don’t require you to write any code.
I like treemaps more than I probably should. They have a very limited set of good uses but I just can’t quit them.