It can be single-level or multi-level; for products with variants it changes according to the options. In ERP the bill of materials feeds material requirements, cost and production orders; engineering changes are tracked as versions.
How it affects your decision
The more complex your bills of materials (multiple levels, variants, order-specific design), the more it matters how the ERP carries that structure. Before selection, pick a few of your most complex products as samples and test the candidates with them; standard demo products do not show this difference.
Where you will meet it
Related terms
What does this term mean in your project?
Talk to a consultant; let’s look at it together through your own processes.