...
Presets are used to save multiple Multiplicity Primary grid layouts for alternate Secondary configurations. A Preset could be created to manage a 'Home' Multiplicity network while another Preset could define a 'Work' configuration. Presets are especially useful when laptops are used as Multiplicity Primary computers in a network which are frequently moved between environments.
Use the + and - icons to add and remove presets.
...
Hovering over a Secondary will reveal the option to remove it. This can also be accomplished by a left click and dragging the Secondary to the right sidebar.
...
By clicking Clicking the remove icon while on the right sidebar will remove the Secondary entirely.
...
Click the gear icon next to the Secondary to change the alignment settings (hover over it to make it visible):
The alignment setting determines the cursor exit and entry points on a monitor when traversing to and from that Multiplicity computer.