Greg Lock discussed his visual process, philosophy and his 3D sculptures. His work can be seen in his web site:
https://www.greglock.com/
Suggested reading: Jean Baudrillard, Simulacra et Simulation. Éditions Galilée (French) & Semiotext(e) (English) 1981.
Simulacra and Simulation is a book about of symbols, signs, and how they relate to simultaneous existences. Baudrillard comments that our society has replaced reality and meaning with symbols and signs. He talks about how we experience a "simulation" of reality.