Please explain to me how to do what I asked--"selection while holding shift"--with any terminal other than one that supports the kitty protocol. I'll wait ...

Please explain to me how to do what I asked--"selection while holding shift"--with any terminal other than one that supports the kitty protocol. I'll wait ... (It's this kind of basic stuff that doesn't work that makes me absolutely laugh my ass off when people claim that "AI will take all the programming jobs".)