What Claude Code is, and why it differs from an ordinary chat
When people talk about "AI for coding", there's a huge difference between a chat that only replies with text, and a tool like Claude Code that actually touches your project — reads files, runs commands, and fixes things again and again until the task is finished. Without understanding that differe
Think about the difference between consulting an expert only by phone, and bringing in a contractor who comes to the house, inspects it himself, and adjusts the plan based on what he finds. Such a tool checks and rechecks until the job is genuinely done.
- agentic loop
- A repeating process in which a tool gathers information about the real state, performs an action, and checks the result — repeating until the task is truly complete.
- chat model
- A tool that takes a text message and returns a single reply, without access to your files or the ability to run commands itself.
- perceive-act-observe
- The three stages that repeat in every round: gather information about the state, make a change, and check what actually happened.