Explain the creation and name of the variable in concise words.

Resolves: #76195
Related: #76194
Releases: master
Change-Id: Ifff61c38dbb4ea07f79cb42cfe7f6aca41e5fbe1
Reviewed-on: https://review.typo3.org/48132


Reviewed-by: Olaf Schmidt-Wischhöfer <osw@eadi.org>
Tested-by: Olaf Schmidt-Wischhöfer <osw@eadi.org>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>