The matrix visual is Power BI’s version of the pivot table.
The ordinary table in Power BI is only two-dimensional. The data shown are flat and duplicate values are displayed, not aggregated.
A matrix table supports multiple dimensions, a stepped layout, aggregates data, and has a drill-down functionality.
Like the ordinary table, creating a matrix table in Power BI is super easy.
In fact, there are only 3 buckets you have to fill in: