<Table> Table 1: The activities within product structure modeling <Tr> <Th> Activity </Th> <Th> Sub-Activity </Th> <Th> Description </Th> </Tr> <Tr> <Td> Define product components </Td> <Td> Identify parts </Td> <Td> Identifying parts is concerned with the so - called bill of materials . Thus the materials are described for each product . Output of this activity is a list of parts for each product . </Td> </Tr> <Tr> <Td> Specify sub-assemblies </Td> <Td> Several parts mulled together are described as a subassembly . But can also be an atomic component, which is part of the whole assembly . </Td> </Tr> <Tr> <Td> Configure product </Td> <Td> The assembly is constructed of the parts and subassemblies . Output of this activity consists of the assembly . </Td> </Tr> <Tr> <Td> Define product assortment </Td> <Td> Specify variants </Td> <Td> Variants of the items (parts, subassemblies, assemblies) are defined and specified . </Td> </Tr> <Tr> <Td> Specify alternatives </Td> <Td> Alternatives of the items (parts, subassemblies, assemblies) are defined and specified </Td> </Tr> <Tr> <Td> Implement revision </Td> <Td> If items (parts, subassemblies, assemblies) change they are implemented and the process of modeling the product structure is iterated, in order to ensure consistency . </Td> </Tr> <Tr> <Td> Product structuring </Td> <Td> Define relationships between items </Td> <Td> The relationships between items are handled, which are eventually the actual structure of a product . </Td> </Tr> <Tr> <Td> Create master structure </Td> <Td> </Td> <Td> Summation of the relationships of the items (parts, subassemblies, assemblies) resembles in a master structure . </Td> </Tr> <Tr> <Td> Documenting </Td> <Td> Link product definition </Td> <Td> Documents that describe the parts are pointed out from the product structure . This allows the user to easily find a document of the correct revision . </Td> </Tr> <Tr> <Td> Define product structure views </Td> <Td> Specify needed views </Td> <Td> The necessary views, which are important for the product, are specified . </Td> </Tr> <Tr> <Td> Create AD specific views </Td> <Td> Views on the master structure are created for each Activity Domain (AD). </Td> </Tr> </Table> <Tr> <Th> Activity </Th> <Th> Sub-Activity </Th> <Th> Description </Th> </Tr> <Tr> <Td> Define product components </Td> <Td> Identify parts </Td> <Td> Identifying parts is concerned with the so - called bill of materials . Thus the materials are described for each product . Output of this activity is a list of parts for each product . </Td> </Tr> <Tr> <Td> Specify sub-assemblies </Td> <Td> Several parts mulled together are described as a subassembly . But can also be an atomic component, which is part of the whole assembly . </Td> </Tr>

Items such as components or​ assemblies needed to manufacture a final product are​ called