Explain what is experimental design by focusing on graphic design.Also, add information about what is interactive design?

What is experimental design?

Explaining what is experimental design by focusing on graphic design. Giving examples of famous artists, their work of experimental design. Also, adding information about what is interactive design? / interactive instillation from exhibitions but again focusing on graphic design.
here is a source ; https://designobserver.com/feature/towards-relational-design/7557/