Private & Power

|Power Level|Private|Public|Towards to| |-|-|-|-| |none|invisible|read
suggest|guests
open distributors| |Read Only|read
suggest|read
suggest|students
test-reader| |Read & Write|read
write|read
write|proof reader
reviser
collaborator
polisher| |Owner|read
write
power set|read
write
power set|——|