pkg-delete(8): nothing in the universe

From: Graham Perrin <grahamperrin_at_freebsd.org>
Date: Fri, 02 Dec 2022 05:31:34 UTC
In contexts such as the one below, what's the meaning of /universe/?

root@mowa219-gjp4-8570p-freebsd:~ # pkg delete -n nano
Checking integrity... done (0 conflicting)
Deinstallation has been requested for the following 1 packages (of 0 
packages in the universe):

Installed packages to be REMOVED:
        nano: 7.0

Number of packages to be removed: 1

The operation will free 3 MiB.
root@mowa219-gjp4-8570p-freebsd:~ # date ; uname -aKU
Fri Dec  2 05:10:41 GMT 2022
FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #26 
main-n259461-f4d3aa749084-dirty: Thu Dec  1 04:33:22 GMT 2022 
grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sy
s/GENERIC-NODEBUG amd64 1400073 1400073
root@mowa219-gjp4-8570p-freebsd:~ # pkg -vv | grep -e url -e latest -e 
enabled
    url             : 
"http://pkg0.bme.freebsd.org/FreeBSD:14:amd64/latest",
    enabled         : yes,
    url             : 
"https://alpha.pkgbase.live/current/FreeBSD:14:amd64/latest",
    enabled         : no,
    url             : 
"file:///usr/local/poudriere/data/packages/main-default",
    enabled         : yes,
root@mowa219-gjp4-8570p-freebsd:~ #