Claude Code Section 1: The Foundations — 8 Concepts Every Developer Must Know

This is Section 1 of a 4-part series on mastering Claude Code. If you’re just getting started, this is exactly where to begin. You’ve heard the buzz. Claude Code is the AI coding agent that lives in your terminal, writes code, runs commands, fixes bugs, and iterates - all on its own. But before you can unlock its real power, you need to understand the 8 foundational concepts that everything else is built on. Think of this as your wiring diagram. Once you understand how these pieces connect, everything in Sections 2, 3, and 4 will click into place. Let’s go.