Ranges & charts

Reading the grid, switching positions, and what each colour means.

Reading the range grid What the colours on the 13x13 grid mean, why a single cell can be two colours at once, and how to read a mixed strategy off the chart.
Looking up a spot on the Ranges tab How to build a spot on the poker table, position by position, and get to the right chart for it, including from inside a training session.
The Key Concepts glossary in the app Where to find the built-in glossary, which sections it covers, and the terms it defines, from table positions to hand notation and training categories.