Chris Sayles

Sorry ian if I'm being a bit thick but want to be sure I'm understanding correct. I understand that changes in develop persona dont affect the original RAW file, but edits to raw and then 'developed@ are permanent in the .afphoto file. That wheras in the photo persona any changes can be undone (step by step if saved with history), develop changes cant be undone? That if, for example, I apply a lens correction in develop and apply it, then change my mind, I can't undo it. I have to go back to the original RAW file and start again. Am I correct.

Sorry if I.m being a bit of a pain, but just want to make sure I am understanding everything correctly.