Rhapsody: Hide Predefined Packages

IBM Engineering Systems Design Rhapsody always adds standard type definition packages which are used for model execution, simulation and code generation. These packages can’t be removed, but you can hide them if they bother you.

If you want to learn more about data types and how you can define and use your own types you can also check this valuable Techletter from Willert: https://evocean.shortcm.li/DataTypes