Dr. Mastronarde writes at the bottom of page 184 of his textbook, "When used with a noun that lacks the article, πᾶς may mean any or every or all (conceivable).
If I write, “All North America,” does that mean every person in North America, or can it also mean North America as a whole?
Are you asking about the English meaning of these phrases? If you are, the context would make the meaning clear.
In Greek note the examples given by M.
Predicate : οἱ πολῖται πάντες all (of ) the citizens
When used with a noun that lacks the article, πᾶς may mean any or every or all (conceivable):
πάντες πολῖται all (conceivable) citizens
Attributive : ἡ πᾶσα Σικελία the whole of Sicily
I think that should answer your question. Although context would indicate whether for example someone travelled around the whole of Sicily or whether the whole of Sicily rebelled.