There are three different levels of organisation in the Cost Catalog, starting with the highest to lowest level: catalog, group, and item. Groups and items can also be copied or moved from one area to another as needed.
These three levels are defined below:
You might need to create a new catalog to best organise materials for a project. Within that catalog, you can add a group that serves as a subfolder to organise even further. From a catalog or group, you can then add items such as parts or assemblies.