Extended detail allows you to display a lot more information than the basic detail tab, and it also allows you to access and modify the variable hidden under the editor.
Attention, the use of the advanced detail may take longer to load than the basic one, it is possible to freeze the editor for a few seconds at the time of loading.
Base detail option
Extended detail option
This simply ignores the new selection to keep the current target.
Doesn't necessarily work for plugins that can use their own target reading.
You can directly target the object by using the object variable through the interface, this variable is modified by selecting it in the content browser.
Plugins can use multiple selections for editing.