source: These schemes outline the measures that a public body will take as to their use of the Welsh language in connection with the provision of services to the public in Wales, for the purpose of giving effect to the principle that, in the conduct of public business and the administration of justice in Wales, the Welsh and English languages should be treated on a basis of equality. 
target: Mae’r cynlluniau hyn yn amlinellu’r mesurau y bydd cyrff cyhoeddus yn eu dilyn o ran eu defnydd o’r Gymraeg wrth ddarparu gwasanaethau i bobl Cymru. Gwneir hyn er mwyn gweithredu’r egwyddor y dylai’r Gymraeg a’r Saesneg gael eu trin ar y sail eu bod yn gyfartal wrth gynnal busnes cyhoeddus a gweinyddu cyfiawnder yng Nghymru. 