recapitulation

Definition (noun): emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species

Definition (noun): (music) the section of a composition or movement (especially in sonata form) in which musical themes that were introduced earlier are repeated

Definition (noun): a summary at the end that repeats the substance of a longer discussion

Definition (noun): (music) the repetition of themes introduced earlier (especially when one is composing the final part of a movement)