You can lock the selection to the currently selected nodes. Locking a node selection ensures you can only edit and manipulate that selection and nothing else.
Alt-Space-L toggles between selection lock and unlock.
Use the Solo button to hide all other objects except the selected object. Using Solo is useful for identifying an object in a scene with many objects, without having to hide all of the other objects.
To solo an object:
All other objects in the scene are hidden, regardless of whether they are set to Hide or not. When Solo is disabled, the Hide settings are restored.
To solo a branch:
All other objects in the scene are hidden, regardless of whether they are set to Hide or not. When Solo is disabled, the Hide settings are restored.
You can temporarily hide an object or objects in the schematic to see different results, for example.
To hide an object or objects:
(hidden) appears after the object name in the schematic.