The Helm application has a number of options that you can set using the Tools / Options menu.
Visual Designer Options
1: Design Grid – you can set the grid size horizontally and vertically in pixels. This is used for Snap and Align To Grid.
2: Show Devices – you can hide devices if you want, to get a better idea of how the panel will look at runtime.
3: Device Captions – this turns device caption display on and off
4: Alignment Guides – these are yellow lines drawn when you move a component showing you the alignment with other components.
Lets you set the tab spacing used by the Script Editor.
Web Panels Options
Lets you set the folder to which Web Panels are published.