What Do the Different Button Colors Mean?

What do the different colored buttons at the bottom of the page mean?

We have applied a color scheme to the buttons you see at the bottom of the page to indicate different operations. These visual clues allow for quick identification without much thought. 

The button color signifies specific operations:

Navigation = Blue

Save/Generate/Search/Submit/Actions = Orange

Add/Update = Green

Cancel/Alert/Delete = Red

Export/Print = White