The user has requirements. The software has capabilities. Where the capabilities end and the requirements keep going is a limit. To get beyond the limit requires workarounds. Some limits are harder than others and all we can do is wish (beg) them removed.
Here's a rich example concerning structural posts (columns) in residential construction. These are things like 4x4s, multiple 2x_s, steel pipe columns, tube (TS) shapes, and the occasional W shape placed vertically. Hard limits in Archicad are in bold. Stuff I've figured out is the rest of it.