Group View, for Editors
Buttons
When Edit Mode is active, more buttons are displayed:

From left to right, these buttons are:
New Group
: for adding groups.Select
tool: for selecting questsImport
: for importing quest dataEdit Mode
: for entering or leaving Edit ModeExit
: for exiting Heracles
Not shown:
Delete Group
: when hovering a group name, an 'x' appears, for deleting that group
Quest Settings
When a quest is selected in Edit Mode, a panel of options for that quest appears on the right side:

Underneath the Title
, Position
, and Subtitle
boxes, are five "Action" buttons.
From left to right these buttons are:
Change Icon
Change Icon Background
Change Dependencies
Delete
Edit Quest Settings
Options for Hide Until
The Edit Quest Settings
action button brings up a pop-up box with five settings:

The options for Hidden Until
may warrant explanation; the rest are fairly self-explanatory
Hidden Until
options are:
Locked
: Always display this quest (don't hide it)In Progess
: Hide until dependencies are completedCompleted
: Hide until this quest itself is completedParents Visible
: Hide this quest until it's dependencies are visible