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Glossary

Term	Meaning
Project	A folder with the files of one website or app.
Port	A numbered door a program uses to talk to the network, like `3000`. Only one program can use a port at a time.
Server	A program that runs your site on your Mac while you build it.
Database	Where an app stores its data (PostgreSQL, MySQL…).
Cache	A fast temporary store (Redis).
Service	Anything your app talks to: database, cache, mail catcher, storage, search.
Docker / container	A way to run a program with everything it needs, isolated from the rest of your Mac.
Homebrew	A free program installer for the Mac that Lokstack uses to add services.
Node.js / PHP	The runtimes that run many web projects. A wrong version is a common reason a project stops working.
`.env` file	A project's private settings, such as database addresses and keys.
Git	A tool that remembers every change to your project.
Commit	A saved checkpoint in Git, with a message.
Branch	A separate line of work that does not touch your main version until you merge it.
Stash	A drawer for unfinished changes.
Worktree	A second folder with its own branch, used so several tasks can run at once.
MCP	The standard way AI tools use extra tools. Lokstack provides one so they can see your projects.
Version	A Lokstack snapshot of your whole project that you can go back to.

Something unclear or missing? Tell us or write to support@lokstack.app.