数据库主体

\Everyone                            WINDOWS GROUP
BUILTIN\Administrators          WINDOWS GROUP
BUILTIN\Users                   WINDOWS GROUP
NT AUTHORITY\INTERACTIVE          WINDOWS GROUP
NT AUTHORITY\Authenticated Users WINDOWS GROUP
S-1-5-5-0-91496                   WINDOWS GROUP
\LOCAL                             WINDOWS GROUP
请高人帮我解释这几个主体的用途！