1. A previously published copy of a newspaper, magazine, or journal from an earlier date
I found an old issue of National Geographic from 1985 at the library.
Encontrei uma edição antiga da National Geographic de 1985 na biblioteca.
2. A past or outdated problem, topic, or matter that was previously discussed or dealt with
That's an old issue between them; they've already resolved it.
Esse é um assunto antigo entre eles; eles já resolveram.