Control panel is where you configure Bromine. You shouldn't need to spend much time here once Bromine has been setup.
Projects add/edit/delete projects here. Projects has many requirements, testcases, users, sites and results
Nodes add/edit/delete nodes here. Nodes are the RC servers Bromine runs testscripts on. Nodes has many browsers and has one operating system
Browsers add/edit/delete browsers here. Name is the humanly readable form, eg. firefox, path is the selenium command to open the browser, eg. *firefox
Operating systems add/edit/delete operating systems here. You can use operating systems more loosely if you like to provide more nitty-gritty environment definitions for your tests to be run on. eg. "XP with service pack. 1" or "Vista quad core" or "XP javascript disabled".
Types add/edit/delete types here. Types are used for putting together the commands that executes the tests. eg. when running a php test Bromine will use the info from types to put together a correct string to be run in the commandline. You shouldn't need to change this.
Users add/edit/delete users here. User belongs to group.
Groups add/edit/delete groups here. Groups can be used to set permissions on a larger scale than user-specificly
Manage access Use this to set permissions for users/groups.
State of the system Use this to check for the most common errors when using Bromine, eg. not having write permissions to various folders and such
Logging Bromine can log every request made, logging User, request ,time and IP adress. This is for you paranoid admins.
Plugins Install/uninstall, activate/deactivate plugins here. Installed and activated plugins can be accessed from a plugins menu.