Index of the Menubar :

File : Management of the parameters for MesNews and management of local files.
Server : Properties of the servers (add/remove server, search message on a server).
Group : Properties of the groups (list of groups, properties of selected group, search on group, statistics.)
Messages : choices in shown groups.
Configuration : configuration of MesNews (choice of smileys, settings of signatures and random formulations, rules of messages and management of plugins)
Options : options that influence the way MesNews works (Preferences, choice of interface, changing the language, management of shortcuts)
Help : help MesNews (access to site, access to FAQ, send a mail to the author).