From OpenSCADAWiki
Dialogue of editing the properties of the visual elements contains four tabs: configuration tab of the main parameters (Fig.2.b), tab of the element attributes (Fig.2.f), tab of the element processing (Fig.2.g) and tab of the element links (Fig.2.h). At different levels of the visual elements hierarchy some tabs can be available, but some are not. The attribute name's rows in the "Processing" tab after the first one treat as help.