Number stand in the maya software

Maya number stand for........

1 -- low quality show

2 -- normal quality show

3 -- high quality

4 -- wireframe

5 -- hardware shading(lambert1)

6 -- texture shading(2D/3D texture)

7 -- lighting

8 -- print effects

Q -- come back press 

shift + D -- copy

W -- move

E -- angle

R -- size