What does "particularity" mean?

Particularity: That which is particular; as: (a) Peculiar quality; individual characteristic; peculiarity. "An old heathen altar with this particularity." Addison. (b) Special circumstance; minute detail; particular. "Even descending to particularities." Sir P. Sidney. (c) Something of special or private concern or interest. Let the general trumpet blow his blast, Particularities and petty sounds To cease! Shak .