Further clarify which relation fits in what model

This information is below too, but stretched over the different relation types.
Seems to get overlooked there. Could help to place that info in here too, hopefully!
Wording
[fr] follow e97282f
[fr] more typos
[en] Fix typos in security-component.rst
Merge pull request #2103 from themogwi/patch-1

[en] Fix typos in security-component.rst
more typos
Update advanced-installation.rst
Merge pull request #2107 from alysonfs/patch-1

Update advanced-installation.rst
Update advanced-installation.rst
Update authentication.rst

using convention of fields.
Merge pull request #2109 from alysonfs/patch-2

Update advanced-installation.rst
Merge pull request #2110 from LuisPeregrina/patch-2

Update authentication.rst
follow #2110
updated fr translation for events

Update of /core-libraries/events.rst
only very few paragraphs remaining
Minors adjustments

Thanks to @antograssiot for pointing them!
Merge pull request #2118 from bracketouverte/patch-3

updated fr translation for events
[fr] complete partial translation
daily typos correction
Title case headings.