$G help screen

* Returns all nodes in the structure pointed to by *.

*TN["BARBER":] Returns all the nodes in the structure pointed to by * having a first subscript of TN and a second subscript between BARBER and the last node of that level.

*[:10,"ABC" Return all the nodes in the structure pointed and to by * having a first subscript between the *[:10]ABC first node of that level and 10 and having a second subscript of ABC. All nodes below those nodes will also be returned.