@Anticupidon, welcome to the world of EOS KDE/Plasma. If you want to learn more about points 2 and 3 see
[Question] EndeavourOS Welcome Greeter - #14 by eznix
and
EOS ascii logo for screenfetch - #6 by FredBezies
and
EOS screenfetch and neofetch
And for logos in svg format see:
I’m surprised they didn’t show up in a forum search.