On this site you will find an auto-generated documentation of all functions and models included in the Toolbox from the help included in the M-files. This is the most complete, and up-to-date description of the toolbox .
Please access it using the menu on the left as the starting point.
Have a look in to the Notes section where you will find different PDF about functionality in the toolbox.
Central documentation for the block-processing framework can be found here.