General Ownership
1. All paid artworks are owned by the client after payment is done.
2. Client cannot claim the artwork as drawn by them, and must also credit the artist when posting the artwork. Artist must also credit the client if client states so.
3. The client can use artwork for whatever the client wants, as long as it is not used commercially or other paid ways. If you want to use the artwork commercially you need artist's permission.
4. Purchased Artwork might be used by artist in their portfolio and posted on their art page(s) unless client specifically says so before the deal is done.