There are two basic types - own parts catalogs (usually not public) and manufacturer catalogs (usually public)
Native parts [Native Parts]: Own parts catalog in which any number of products (lines) may be contained in a project
Native parts (individual part) [Native Parts (Single Line)]: Native parts catalog in which only one product (line) may be contained in a project
Division of the imported data into single-line projects
Supplier parts [Supplier Parts]: Manufacturer catalog where any number of products (lines) may be contained in a project
Supplier parts (individual part) [Supplier Parts (Single Line)]:
Division of the imported data into single-line projects