What it means
Rows hold the values. Columns tell the grid what to show.
Foundation guide
Start here. Pass `data.rows` and `data.columns` to the grid. If those two parts are correct, the grid can render.
Rows hold the values. Columns tell the grid what to show.
Use this first when you are setting up a new grid. Make sure rows and columns look right before you add other features.
Each row should have a unique id. Each column key should match a field in row data.
Start with data.rows, data.columns. Open the live API reference for types and defaults.