Tap every card and you’ll go to a subpage and see a much detailed graph.

Every “Changes during meditation” has a zoom out icon.

Tap it and the graph will be zoomed out so you can see the details much clearly.

Tap at any point and stay there. You’ll see the exact number of each brainwave.

At end of subpage, you’ll see the brief introduction of the data.

Tap “Learn More” you’ll go to an article that explain the data and best practice in detail.