From OpenSCADAWiki
Where:
- id — identifier;
- wId — widget identifier base;
- geom — typical geometry with scale or for concrete visual item;
- lnkAttrs — list of the generic attributes through ';' for linking as data source in the form "{vis}[-{src}]":
- vis — ID of the visual attribute;
- src — ID of the source attribute, it is the same as visual one at missing;
- constAttrs — list of the additional attributes through ';' for specifying manually in the form "{vis}[-[{src}]]";
- src — ID of the source attribute, it is the same as visual one at missing and that is a constant at missing even the symbol -, it is spare here and pointed only for its storing for lnkAttrs.
- pos — position of the visual item;
- isLnk — the link sign;
- lnk — link value for restoring;
- sAttr, vAttr — source and visual attributes of linking.