Q: What is the @ by the names in the list?

A: The @ means the person in the list is a Chat Room Operator.
     Which means they control the Chat room for modes and topics


Q: What is the + by the names in the list?

A: The + means that the person is Voiced or helper or just a good friend


Q: What are Channel modes?

A: A command that gives channel operators control of a channel and the users on it.

Channel modes
------------------------
ModeChar           Effects on channels
~~~~~~~~          ~~~~~~~~~~~~~~~~~~~
  b <person>        ban somebody, in "nick!user@host" form
  i                       channel is invite-only
  l <number>       channel is limited, users allowed max
  m                     channel is moderated, (only chanops or voiced can talk)
  n                      external /MSGs to channel are not allowed
  o <nickname>   makes a channel operator
  p                      channel is private
  s                      channel is secret
  t                       topic limited, only chanops may change it
  k <key>            set secret key for a channel
  Channel modes are: +/-

Q: What are user modes?

A: A command that changes the users mode (YOUR mode).

User modes
-------------------
ModeChar           Effects on nicknames
~~~~~~~~         ~~~~~~~~~~~~~~~~~~~~
  i                      makes you invisible to anybody that does
                         not know the exact spelling of your nickname
  o                      IRC-operator status, can only be set
                         by IRC-ops with OPER
  s                      receive server notices
  v                     gives a user a voice on a moderated channel
  Channel modes are: +/-


Other Channel modes are Commands :
kick, ban, unban, op, deop, voice, devoice, help, dehelp,