Glossary · term52 of 202
context engineering
The discipline of managing the full input a model sees, including system prompt, project files, tool output, and conversation history, rather than only the wording of one message.
Related terms
/btwA Claude Code command for routing a side discussion so it never enters the main session history, keeping the primary context window free of tangents.view termCLAUDE.mdA markdown file at a project's root that Claude Code CLI reads at the start of every session, holding build commands, conventions, and layout notes so they need not be re-explained.view termcontext poisoningA failed attempt or wrong answer left sitting in a conversation keeps competing for attention on every later turn, dragging output back toward the same mistake even after correction.view termprompt engineeringThe practice of optimizing the wording of a single message sent to a model, a narrower discipline than shaping everything else the model also sees.view term
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- jul 2026
