40 self-media commercial materials website videos + illustrations + pictures + icons Creative Commons (knowledge sharing) referred to as CC license materials. The creator voluntarily gives up some rights to the work, but there will still be restrictions, such as requiring the source and author name to be marked. Etc., please read the instructions carefully when seeing the CC agreement. The PD agreement proves that the work has been donated to the public domain.
The CC0 agreement means that the creator voluntarily gives up all rights to the work and can use it unconditionally, including commercial use. (However, you cannot upload it to other material websites, claim copyright, or use it in illegal ways. The content involved in the image may still involve trademark rights, publicity, and privacy rights.