If you just want to explore the system without worrying about records or architecture, start here: https://XCTBL.com https://XCTBL.com That entry is experient

If you just want to explore the system without worrying about records or architecture, start here: https://XCTBL.com https://XCTBL.com That entry is experiential-first. RCRDBL is the records layer; XCTBL is the place to understand the model by walking through it.