Glossary
Definitions of the ideas this site keeps returning to, and the posts that use them.
A system that answers a question directly from sources it has read, rather than returning a list of links.
A module offering a lot of behaviour behind a small interface, so callers depend on very little of it.
A place in a system where behaviour can be substituted without editing the code around it.
A narrow but complete path through every layer of a system, built early so the layers are proven joined.
--- title: "Glossary" description: "Definitions of the ideas this site keeps returning to, and the posts that use them." url: "https://lateano.com/glossary" author: "Colin Lateano" --- # Glossary Definitions of the ideas this site keeps returning to, and the posts that use them. - [Answer engine](https://lateano.com/glossary/answer-engine) - [Deep module](https://lateano.com/glossary/deep-module) - [Seam](https://lateano.com/glossary/seam) - [Tracer bullet](https://lateano.com/glossary/tracer-bullet)