As part of the ArchiCAD 18 NZE Template document we have labelled every pen in the ArchiCAD Pen Set on pages 30-32
This is an extremely useful guide on the pens & may help make sense of the organisation & purpose of the Pens.
The Pen set is broken down to 3 sections:
The Modelling pens are used the majority of the time & are structured like so:
The Building Material pens helped simplify things by taking 7 pens for a tool down to just 2 effectively:
Then the New Zealand drafting pens help with performing tasks we do quite often like set line weights, colour pens & grayscales: