Yep, that's exactly what I mean :)
As of 1530 hrs MST on 20170801, the site is now back up, so forget the below:
First thing to note here is as of the last two days, Strawberry Perl's website is down, and berrybrew won't allow you to install any new instances at all until its back up. To use berrybrew in this case, you must put any instances in place and "register" them manually.
Under berrybrew, if you have an instance set up to how you like it, you can "clone" it as a template, or another duplicate full instance and have backups around.
In doing a clone, if you have tmpl or template in the cloned name, they are treated special, and berrybrew will ignore them on all operations (ie. exec won't attempt to run anything against them.