What does each quantum number signify ?

What are quantum numbers ?

What are 'groups' of the Modern Periodic Table. What does the group number' signify.

What does the principal quantum number 'n' and azimuthal quantum number 'l' of an electron belonging to an atom represent?

A tuning fork has a number 256 marked on it. What does this number signify?

Why does spin quantum number introduced ?

1.Development is freedom'. What does this statement signify ?