The Global Edit Commands affect event of all tracks alike. It doesn't matter if the events are selected or if the track they reside in is selected. They all refer to a certain range, that is identical to the currently chosen Locator Range. Unlike other edit commands these commands will also delete, copy and move Time Signature events.
This splits all parts right at the two locator positions.
Inserts a gap between the two locator positions.
Deletes the whole range.
Inserts a copy of the selected range at the current play position.
Transfers the selected range to the current play position.