I am new in staad pro so please answer this question in very easy language....!
In staad Pro foundation design we can only design
1. Isolate
2. Pile Cap
3. Combine
4. Mat
What about other types......?
You can design more types of foundations in STAAD Foundation Advanced. Please read this Wiki for more details: https://communities.bentley.com/products/ram-staad/w/structural_analysis_and_design__wiki/26639/staad-foundation-advanced-overview