There will be some overlap of membership, with members able to interact with each of the different settings, and for example with more than one youth club or centre.
Bydd rhywfaint o aelodaeth yn gorgyffwrdd, gydag aelodau'n gallu rhyngweithio â phob un o'r gwahanol leoliadau, ac er enghraifft gyda mwy nag un clwb neu ganolfan ieuenctid.