# Stage D4. Forming: the tree

[Back to the Manual](../README.md)

**What it produces:** branches by the ladder walk and the operation, cross-links declared, `forms/`; the chunk-share tree kept as the comparison. **Model:** `arm.json`. (From the contract's stage table, section 4.)

Status: **not started**. [the card](../../aggregator/runs/claude-v43-1/STAGE%20CARDS/Stage%20D4.%20Forming%20-%20the%20tree.md) · [the stage file](../../aggregator/runs/claude-v43-1/DROPS/D4/stages/STAGE-D4-forming-the-tree.md)

Steps: `D4a` cut (interview)

No leg of this stage has closed yet. Once one has, it appears here with its transcript and the command to talk with the analyst as it was at that close ([what the command does](../9-resuming.md)).