[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] Lamport, Leslie Melliar-Smith, P. M. leaf subclass A leaf subclass is a subclass that is not the superclass of any other class. subclass:leaf 2nd link accumulating link object A link object is an instance of an association class. link object:action action:link object Lockwood, Lucy |