Show item opens a sub-menu of elements that can be displayed as part of G-code visualizations. There are helpful aids to provide useful feedback. Checked items are visible in visualizations, unchecked items are not.
Show - Position
Enables display of yellow cone tool. When disabled, only small red tool is visible.
Show - Viewspace
Enables display of Viewspace components such as axes, machine limits, grid, G-code extents, fixed sensor position, G28 and G30 position.