Language / Grammar - difference between "jaki" and "co" in Polish language [43]

When using 'jaki?' you ask for description.....
i.e. jaki? bialy (white), mądry (wise), etc.

When using 'co?' you ask for subject....
i.e. co? Stół (Table)

in a sentence: To jest bialy stół. (This is a white table)