What is Obsidian, really?

Obsidian is two things:

1. A folder of plain markdown files on your hard drive — yours, portable, editable in any text editor.
2. A friendly editor that links those files together with backlinks, graph view, and plugins.

That’s it. There’s no proprietary database. No cloud account required. No vendor lock-in. If Obsidian disappeared tomorrow, your notes would still open in VS Code, Notepad, or any text editor.

Your specific setup

Your vault lives at:

C:\Vault\WhittechAI

Open File Explorer and navigate there. You’ll see folders like 00-Inbox, 10-Daily, 20-Projects. Each one contains .md files — plain text with light formatting. Open any of them in Notepad. You’ll see:

# Today's note

- [ ] Pick up dry cleaning
- [x] Send the proposal

Some thoughts...

That’s a complete Obsidian note. The hash makes a heading. The bullet-dash-square-bracket makes a task. The rest is prose. No magic.

Why this matters

Because your notes will outlive any single app. Your vault works:

• Without internet — it’s all local
• Without Obsidian — open the .md files in anything
• Across decades — markdown predates Obsidian by 20 years and isn’t going anywhere
• Without paying — Obsidian is free for personal use

Compare to Notion, Roam, Evernote — all proprietary databases. Export and you get a different file format than what you put in. With Obsidian, what you write is what you get.

The vault as a folder

Your vault is just a folder. That has consequences:

• Want to back it up? Copy the folder.
• Want to sync with your phone? Use any file sync tool (you picked Syncthing).
• Want to version it? git init inside the folder.
• Want to grep it? rg "search term" C:\Vault\WhittechAI works fine.
• Want to programmatically edit it? Any tool that writes text files works — including Claude Code via the Obsidian MCP.

This is why the workflows on this site work. Claude isn’t talking to a special API. It’s reading and writing .md files in a folder, and Obsidian sees the changes instantly.

What’s in a vault

Looking at your C:\Vault\WhittechAI right now:

00-Inbox/          Stuff to triage
10-Daily/          One note per day
20-Projects/       Active work
30-Areas/          Ongoing responsibilities
40-Resources/      Reference material
50-Archive/        Done / dead
60-People/         Personal CRM
70-Meetings/       Meeting notes
80-Content/        Drafts + published
90-Templates/      Note skeletons
_setup/            How this stack works

That’s a vault. Numbered folders so they sort alphabetically. PARA-ish, with extras.

Next

Now you know what Obsidian is. Continue to Markdown in 5 minutes to learn how to actually write notes that look good.