IOS-XE Expanded File Question

[MB-Net]

Good day,

I am trying to find information on what each individual .pkg does when the bin file is expanded to the flash drive. Would appreciate any links or documentation that might be available on this. Thank you for your time!

[balaji.bandi]

Added cat9k-cc_srdriver.16.12.01.SPA.pkg
Added cat9k-espbase.16.12.01.SPA.pkg
Added cat9k-guestshell.16.12.01.SPA.pkg
Added cat9k-rpbase.16.12.01.SPA.pkg
Added cat9k-rpboot.16.12.01.SPA.pkg
Added cat9k-sipbase.16.12.01.SPA.pkg
Added cat9k-sipspa.16.12.01.SPA.pkg
Added cat9k-srdriver.16.12.01.SPA.pkg
Added cat9k-webui.16.12.01.SPA.pkg
Added cat9k-wlc.16.12.01.SPA.pkg

If you referring to example the red color one,  - I do not believe you see any documentation, but I see some are self-explanatory.