If there is ambiguity as to which Element(s) to select with a command, the Select Elements dialog-box opens automatically.
E.g.: You want to do - and you click three Points - either accidentally or unavoidably.
The Select-Elements dialog-box opens in which you must CTRL+Click two Points from the list.
When the Select-Elements dialog-box opens:
1. + Click ALL of the elements you need to do the command.
The becomes colorized only after you select the elements that are compatible with the active command.
2.Click to close the Select-Elements dialog-box
If the is also active:
3.Continue to select the elements, as required.
and / or
4.Click in the Command-Manager to complete the command.