The HORNED BEAST
to define the Need to which the System answers

The Octopuss
to identify the Functions

The FUNCTIONAL DIAGRAM BLOCK
to identify the Design Logics

The FUNCTIONAL ANALYSIS TAB
To differentiate the Bare Minimum Cost from the Design Function Cost

The TECHNOLOGICAL PRINCIPLES TREE
to search for Principles and realise the Choices

The STATES list
to identify the functions of a process