Some examples include youth work, distinctions between English or Welsh language medium and SEND provision, and informal childcare with friends or family.
Ymhlith yr enghreifftiau mae gwaith ieuenctid, gwasanaethau rhwng cyfrwng Saesneg a chyfrwng Cymraeg a darpariaeth AAAA, a gofal plant anffurfiol gyda ffrindiau neu deulu.