Layers

[CRMacS]

I am slightly confused after reading about layers. https://www.drawio.com/docs/manual/layers/how-layers-work/

The text has:
"How a draw.io diagram is organised
Each object in a diagram - text, shape and connector - 'lives' on a single layer. Connectors live on one layer but also can link to source and target shapes on different layers.
For example, although the flowchart on the right looks flat, but it is divided into four layers, as visualised on the left. The connector in Layer 3 has a source in Layer 2 and a target in Layer 4."
All makes sense.

But then the supporting exploded diagram appears to show 4? objects on Layer 1 - a box, circle and 2 connectors. Layers 2 to 4 seem to follow the words.

Which I fail to follow and some clarification would be great.

[draw-io-triage-bot[bot]]

👋 Thank you for opening this issue!

---

Summary: The user is asking for clarification about the draw.io documentation on layers, specifically regarding an exploded diagram illustration that appears to show multiple objects on Layer 1, which seems inconsistent with the accompanying text description.

---

📝 Additional Information Needed

To help us investigate this more effectively, could you please provide:

• This appears to be a question about the draw.io documentation at drawio.com, not a bug or feature request for the draw.io desktop application. The documentation site has its own repository. You may want to raise this issue at https://github.com/jgraph/drawio/issues or https://github.com/jgraph/www.drawio.com (the documentation repo) instead, as this repository (drawio-desktop) is specifically for the Electron desktop wrapper.
• To clarify the confusion: Layer 1 in the exploded diagram is the 'Background' layer, which typically contains the base shapes of the diagram. It's common for the background layer to have multiple objects. The text describes how connectors can span across layers (e.g., a connector on Layer 3 linking a source on Layer 2 to a target on Layer 4). Does the diagram perhaps show a background/base set of shapes on Layer 1 that serve as the foundation, with the other layers adding additional elements on top?

---

---

_{🤖 This is an automated response to help with initial triage. A human maintainer will review this issue. If you've provided all the requested information, no further action is needed - we'll get back to you soon!}

[CRMacS]

And another Layers question. In the Layers Dialog box, what is the purpose of the check box at the right hand end of each line - next to the blue dot.