Face Properties
The list of properties is put together as follows:
Checkbox:
Enable or disable the property for all selected faces. The checkbox is checked when all selected faces have this property.
Number:
Indicates how many of the selected faces have this property.
Property Name:
Hover the property name to find out more about the property.
Select (sel) button:
Click to select/deselect all faces with this property.
Texture:
Sets the texture number for all selected faces. -1
if numbers of selected faces don't match.
PRM/World
NCP
Material:
Set: Displays the material of the currently selected face. Select a material from the list to apply it to all selected faces. The select (sel) button selects all faces with the same material.
Select: Select a material from the list to select all faces with the same material.