Quantity
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
State
Quantity is whether a statement covers the whole subject class (universal: A, E) or part (particular: I, O).
Show
"All" and "no" are universal; "some" is particular.
Watch for
"No S are P" is universal — it says something about every S, namely that it's outside P.