English: subject access
Welsh: mynediad at ddata gan y testun
Subject: Cyfraith
Welsh definition: Individuals have the right to access their personal data. This is commonly referred to as subject access.
Notes: Mewn perthynas â'r Rheoliad Cyffredinol ar Ddiogelu Data. Mewn rhai cyd-destunau gallai fod yn briodol llacio'r term hwn i ymadrodd fel "mynediad at ddata gan destun y data hynny" neu debyg.