Convergent - Different structures evolving in the same direction different organisms, e.g. wings of butterfly and of birds/eye of octopus and of mammals / the flippers of penguins and dolphins / sweet potato and potato.
Divergent - Same structure evolving in different directions in different organisms.
e.g. forelimbs of whales, bats, cheetah and humans/vertebrate hearts of brains/thorms of Bougainvillea and tendrils of cucurbita.