SAP IBP - DP: aggregation and disaggregation of data across different time levels

Can you delight explicate with an illustration for "aggregation and disaggregation of information crossed antithetic clip levels"?
I tried steps from IBP exemplary configuration usher but could not spot output/outcomes successful readying view! Without surface shots for this case,
its spot confusing to work from the guide.
Page 53: Model Configuration Guide
Time Profiles and Time Periods
Configuration Guide | PUBLIC
Document Version: 1.0 – 2024-08-02