The basis is a concept** about the mathematical structure that's underlying space and time and – because of that – the emerging of the phenomena in the universe.
The concept explains reality at the lowest level – including the emergence of the quantum fields – owing to the bottom up approach.
The contents of the chapters – see the links at the right hand of the display – are related.
I hope you like reality.
* The chapters are not publications but public working papers so the contents are not definitive.
** The links mostly refer to Wikipedia to offer some general back ground information.
Next chapter: "Empiricism"