Thanks very much, both of you! So simple yet ellusive (to me).
I am not sure if this sort of thing is covered in the Help files. I am not sure that it would be covered if there was a full manual.
This comes from books like those by our trusted MOD, and noted author, Steve Grisetti, and also in his Boot Camp and Learning Series on Muvipix. Or, from someplace like here!
This is a fairly common, so do not feel that you are the only person to ever have asked - note that there is a FAQ on it. It's like when I drive into the deep rough, and in the process of finding my golf ball, wonder, "there are NO other golf balls around here. Am I the first person to ever hit into this spot on the course?"
PS - at least I beat Neale, but then his post must come all the way from the UK, and I live not THAT far from San Jose, CA, home of Adobe.