Sub-Level 1.1: Introduction to Basics

Sub-Level 1.2: Understanding the Foundation

Sub-Level 1.3: Initial Explorations

Sub-Level 1.4: Key Principles

Sub-Level 1.5: Basic Practice

Sub-Level 1.6: Preparation for the Next Level

Sub-Level 2.1: Building on the Basics

Sub-Level 2.2: Expanding Knowledge

Sub-Level 2.3: Intermediate Concepts

Sub-Level 2.4: Hands-on Practice

Sub-Level 2.5: Application of Knowledge

Sub-Level 2.6: Preparing for Level 3

Sub-Level 3.1: Advanced Concepts

Sub-Level 3.2: Deep Dives

Sub-Level 3.3: Practical Applications

Sub-Level 3.4: Experiential Learning

Sub-Level 3.5: Skill Development

Sub-Level 3.6: Moving to Mastery

Sub-Level 4.1: Reflecting on Progress

Sub-Level 4.2: Analyzing Challenges

Sub-Level 4.3: Refining Skills

Sub-Level 4.4: Overcoming Obstacles

Sub-Level 4.5: Strengthening Core Concepts

Sub-Level 4.6: Preparing for Final Level

Sub-Level 5.1: Final Insights

Sub-Level 5.2: Summarizing Knowledge

Sub-Level 5.3: Applying Skills in Real Life

Sub-Level 5.4: Reflecting on Achievements

Sub-Level 5.5: Looking Ahead

Sub-Level 5.6: Completion and Beyond