It may also include things like providing economic opportunities for local communities and working with them to promote the Welsh language, culture and heritage through the site.
Gall hefyd gynnwys pethau fel darparu cyfleoedd economaidd i gymunedau lleol a gweithio gyda nhw i hyrwyddo'r Gymraeg a diwylliant a threftadaeth Gymru drwy'r safle.