Security Permission Definition & Role - Security Mapping

[deb.panda]

Hello,
1.Could you please point me to source which defines all security permissions ??
If any new permission to create, HowTo's,Do's and Dont's

2.Role Type to Security (The background)

Example Scenario:
2 Facilities Created for a store
Executive of Facility 1 should not be able edit Facility 2 features.