Notice at the top of the dialogue box under the toolbar that we can see the number  on the left next to the name Floor. Beside this on the right is the Standard tab which corresponds to the Sub-Material in Fig.02.
When the Composite tab (Map #126 (Composite)) is clicked it opens up a dialogue box similar to Fig.04.
Here you can alter the Blending mode and Opacity of the texture as well as apply a mask. You can see in upper right that the floor is made up of eight layers in total, five of which are visible here.
All the layers have been turned off, barring Layer 1, as indicated by the small glasses icon left of the texture tab in Fig.04.
This single base Layer is visible in the scene in Fig.05, which at the moment looks very uninteresting.
If we switch on Layer 2, which is set To Multiply at 60% Opacity, you can see this now adds a new layer of detail and variation to the initial texture (Fig.06).
By clicking on the actual texture tab you can gain access to the coordinates and map parameters (Fig.07).
Here you can reposition the map on the geometry by way of Offset as well as control the Tiling, which in this case has been moved along the U axis by 0.07 and tiled by 6.0 in both axes. This is the Layer 2 texture which is set to Multiply.
The next Layer contributes a section of dirt along the right edge of the floor and uses a mask to do so. In Fig.08, texture 1 represents the dirt and texture 2 the mask that is used to control its visibility.
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