The concept editor opens when you click a concept in the Explorer or lineage canvas, or when you create a new cell. It’s where you write a concept’s logic, run it, and inspect the result. The editor has three parts: a toolbar at the top, a row of tabs (logic, description, engine, output), and the code area below.
The concept editor

The concept editor — the toolbar (concept name, type, API, Group, and the run/save/delete actions) above the logic/description/engine/output tabs and the code area.

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Toolbar

The concept editor toolbar

The editor toolbar — concept name and type on the left, the API and Group buttons, and the data-bindings, settings, run, save, and delete actions on the right.

The left side of the toolbar defines what the concept is: The right side of the toolbar holds the actions:

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Tabs

The output tab carries a status dot:

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Editor controls

To the right of the tab row:

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Keyboard shortcuts

The editor’s own shortcuts (shown as Mac / Windows·Linux): Standard code-editor shortcuts also work:
Don’t write Vadalog by hand if you’d rather not: write what you want in the description tab and use ✨ Generate Vadalog from natural language, or open Ask AI to have the assistant write and run the concept for you.

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Where to go next

Ontology Workspace

The Explorer, the Concepts and Data tabs, and the lineage canvas around the editor.

Concepts & Lineage

What concepts are and how lineage is captured.

Vadalog Reference

The language you write in the logic tab.

Concepts API

Run concepts and read results over REST (what the API button generates).