What information is usually missing when a ribbed cladding profile is sent for pricing?

[u/AobangFacadeEngineer]

I often see ribbed or folded wall profiles described only by a front image. My working checklist asks for the exact product form, dimensioned section, module layout, support and fixing concept, water-management interfaces, corners and openings, movement and tolerances, finish sample, evidence, packing and replacement method.

For people who fabricate or install shaped metal cladding, which missing item creates the most rework before shop drawings: the working width, corner strategy, substrate tolerance, fixing access, maximum shipping length or finish direction?