ISO 10303-44:2018-11 specifies the integrated resource constructs for Product structure configuration.

The following are within the scope of ISO 10303-44:2018-11:

• the relationships among the components and assemblies of products;
• the relationships among products and their components as made by modification of other products;

  EXAMPLE 1   The machining of a product from another product is an example of a modification.

• the description of a product as defined by customer needs;
• the dependencies among specifications of a product in order to represent possible product variations to present to a customer;
• the management of the structure for configuration of assemblies and components as planned for manufacture;
• the decomposition of a product to support different product life cycle activities;

  EXAMPLE 2   An organization maintains one bill-of-material structure for a product that enumerates the quantity of each component used in each assembly, and a second bill-of-material that decomposes a product with multiple assemblies into the individual components. See annex Examples for more examples of different product structure reports that are supported.

• multiple versions of a single product that are equivalent with respect to form, fit, and function.