# Concepts

## Version
v0.1

## Last Updated
01/09/2026

## Overview

This section covers foundational concepts of AI-friendly architecture.

## Documents

### Chapter 1: Entropy and Fluctuation

Decompose AI confusion mechanisms using concepts of entropy (thickness of possibilities) and fluctuation (divergence, convergence, circulation).

**Key Topics:**
- Phenomena of AI "wandering"
- Entropy as thickness of possibility
- Fluctuation dynamics (divergence, convergence, circulation)
- Three-layer structure overview

**Available Languages:**

| Language | Link |
|:---|:---|
| 🇺🇸 **English** | [Read](01-entropy-fluctuation_en.md) |
| 🇯🇵 **日本語** | [読む](01-entropy-fluctuation_ja.md) |
