The Design Analog sheets were given to students to help them focus their thinking and begin their research.  Not all students need this jump start of course, but if they haven't been through the Design Process before (consciously or unconsciously) they can get "block" - not sure what to do or how to start.
This sheet is a trick that helps define the problem and lets them get a start in a direction.
It may not actually define the final visual - but its a start...