Waves are the grouping of warehouse request items and In EWM, you can group the warehouse request items (such as the ODO items) into waves to manage the process and optimize the warehouse processing.
Goods movement in the warehouse follows several steps to complete an inbound, outbound, or internal process; for this, SAP EWM uses storage control.
The increasing requirements toward a lean material flow to achieve reducing production costs and increasing quality, will get more and more important. And as such, it will become important to have an integrated IT Landscape. SAP EWM and Advanced Production Integration are steps toward optimal integration between production and logistics that ensures more reliability in deliveries and less need for stock in the Warehouse
A packaging specification is master data. The packaging specification defines all the necessary packing levels for a product for example to put away or transport the product. For a product, a packaging specification mainly describes in which quantities you can pack the product into which packaging materials.