This setting controls how the shipment entry form looks on the admin order page.
order_shipment_formis a fuller layout. Use it when staff need a more spaced-out form.order_shipment_form_compact_qty_ascis a compact layout that works well when staff prefer shorter forms and process products quantity from low to high.order_shipment_form_compact_qty_descis a compact layout that works well when staff prefer to process products quantity from high to low.
The purpose of this setting is to reduce data-entry friction. On large orders, choosing the right form template can save time and reduce mistakes.
Example: if your staff often work on orders with many line items, a compact form can reduce scrolling and speed up shipment entry.

