Definitions include: the more outgoing person in a pair. Origin: refers to folk-rock 1960s duo Simon and Garfunkel. Art Garfunkel, who did not write or play an instrument, arguably was the better singer of the two. He was also more personable/talkative. In a way, the "sidekick" of Simon. See also Simon.
Definitions include: To ensure all the small details or elements are accounted for and in their proper order before embarking on a new project. Good attorneys, for example, make sure all of the evidence and witnesses are presented in a precise, effective order, like ducklings following the mother duck in a straight line when in water, or the natural flight formation used by ducks as they fly through the sky in a V-formation behind the leader, allowing each duck to take advantage of reduced wind resistance.