What does accessible mean?
The definition of accessible
Ac*cess”i*ble, a.
Etym: [L. accessibilis, fr. accedere: cf. F. accessible. See Accede.]

1 Easy of access or approach; approachable; as, an accessible town or mountain, an accessible person.
2 Open to the influence of; — with to. “Minds accessible to reason.” Macaulay.
3 Obtainable; to be got at. The best information . . . at present accessible. Macaulay.