At this level
app.lexidraw ยท 2- app.lexidraw.scene record An Excalidraw drawing. The full scene (elements, appState and embedded image files as dataURLs) is stored as a gzipped JSON blob
- app.lexidraw.sceneRevision record An immutable checkpoint of a app.lexidraw.scene record. Captured periodically alongside the mutable scene record; the scene blob is content-addressed and shared with the scene record, so no data is duplicated.