Batch methodology
Batch picking collects several orders together in one pass. The picker makes a single trip that gathers the combined quantity for a group of orders, and the goods are then split back out, order by order, at a sorting station afterwards.
The outbound orders, planned together into one combined pass
They consolidate into a single picking document (#8)
Inside the batch pick — every product from several orders in one document; a sorting step follows
When it fits. Many small orders that share the same products — combining them means walking each location once for the whole group instead of once per order.
Trade-off. It minimises travel during picking, but it adds a sorting step after picking, which needs space and a moment of extra handling.
A policy using batch picking turns Use sorting on, and sets a Sorting location on the wave so the picked goods have somewhere to be sorted.