If you have layers turned on in your map that are queryable, you will see them in this list.
Choose the layer that you want to be active. Once you have selected your active layer, the information tools below can be used to get information about that layer.
This button allows you to get information about features in the active layer, by clicking on them on the map.
This button allows you to get information about features in the active layer, by dragging a box around them on the map.
This button allows you to get information about features in the active layer, by drawing a polygon around them on the map.
This opens a window that you can select attributes to query.