What do the icons next to the Conversation names mean?

The icons to the left of the each Conversation name indicate the state of the Conversation.

Icon	Meaning
	You have at least one new Message within the Conversation that you have not yet read. Select the Conversation to view your unread Message(s).
	Identifies a Secret Shared Conversation. You need a password to view this Conversation. The sender will have provided you the password through another channel. Select the Conversation and enter the password when prompted.
	You have been locked out of this Conversation. Contact the sender to gain access.
	You have read all Messages within this Conversation.