This assumes it's a one-off, not for other installs elsewhere.
But normally they'd end up in an ini file with your component's name in the title in the language folder(s) (site and/or admin).
((Won't be an issue of accidental wrong file permissions? That would cause errors if installing/updating and error reporting sufficiently high.))
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Well, I believe that the components title that appears in admin menu is written to database on installation