You can edit columns within every layer.
The listed columns change according to the layer you are in and you can find them to the rightmost in your dashboard.
Once you click the edit columns button, you can arrange columns or choose an already saved column display for the layer you are in.
On the left-hand side, the displayed metrics will change depending on the layer you are in.
On the right-hand side, you can choose the metrics you want to display and change the order of them to personalize the dashboard.
For example, You can edit columns for ad performance, in-app conversions, cohort analysis, settings, and custom columns for your campaign layer. The related metrics are shown under their own section in the middle.
And there you have it!