What is CP?
https://www.iwf.org.uk/what-we-do/how-we-assess-and-remove-c...
> We use the term child sexual abuse to reflect the gravity of the images and videos we deal with. Child pornography, child porn and kiddie porn are not acceptable descriptions. A child cannot consent to their own abuse.
https://www.theguardian.com/commentisfree/2011/jun/06/open-d...
A child taking their own sexual photos of themselves, with no other person involved, would still be child porn, but not child sexual abuse.