Agenda - Organized list of content (the topics to be covered during a specific class meeting) that a Leader or Presenter shows during an Event.

Agenda Builder - The tool used to create an Agenda for a Event.

Agenda Item - An individual content item, such as a PowerPoint slide, graphic image, movie, Whiteboard tool, Application Share Tool, Survey, Web Page Link or text file.

Application Host View - The user interface sized horizontally to exclude the Media Window.

Application Sharing - A tool that enables the user to launch, host, and share any Microsoft Windows-based application with the session participants. This is very useful for software demos and/or training, as it does not require the participants to have the application installed on their desktop in order to interact with the shared application.

Breakout Rooms - Any number of virtual rooms created by the Presenter in which the participants work separately in small groups. Excellent for case studies.

Breakout Leader - A Participant designated by a Leader as the moderator for a particular Breakout Room/group during a Breakout Session.

Breakout Session - The period of time during which one or more Breakout Participants and a Breakout Leader work as a group in a Breakout Room.

Browse Content - A method of pre-viewing Agenda items independently of the live Event.

Centra Administrator - The person who administers the Centra Server and its overall activities.

Centra Client - The software application that Centra uses to attend or lead a live Centra Event. This software gets downloaded and installed automatically the first time the participant or leader attends or leads an event.

Content - Another term for Agenda, the sum of all materials (graphic image, video clip, flash, text, PowerPoint, or html) to be used in a Centra Event.

Control - Also referred to as microphone control, or, control of a microphone during an Event.

Co-Presenter - The user who assists the Presenter or acts as a guest speaker during an Event.

Default Size - The CentraOne window sized to 800x600 pixels.

Evaluation - A tool within Centra used to measure the level of learning, obtain feedback on effectiveness, or to solicit participant input, created with Agenda Builder. Can be True/False, Multiple Choice, Short Answer, or Long Answer.

Event - A single instance of a scheduled presentation (class meeting or session) of a live Centra Event.

Event List - A list of Current Events, All Events, Current Programs, and All Programs.

Event Manager - The instructor or the person responsible for managing Event scheduling and registration.

Feedback - Anonymous pacing or comprehension input provided to a Presenter by Participants. This can be done by the participants at any time and as often as necessary.

Full Duplex Mode - Listening and speaking at the same time. User must have a full duplex supported soundcard, headset, and configured the Centra Audio Wizard in headset mode. Centra will support up to four simultaneous speakers.

Group - A method of categorizing Centra users into groups for efficient user, program and event management.

Half Duplex Audio - When a user cannot speak and hear at the same time, occurs when using microphone and speakers.

Home Page - The first page viewed by a Centra user upon login. It displays upcoming, ongoing, and past events in which the user is currently enrolled.

Import Tool - A tool that enables the Presenter to upload a PowerPoint presentation directly into an Agenda while leading a live Centra Event.

In-session - The period of time after the Presenter (instructor) formally begins session (class). During this time the Presenter has control over the Agenda Content, Participant's microphones and all of the other tools in Centra.

Leader - The person who leads and manages the activities in an Event. A.k.a. the Presenter.

Main Room - The virtual classroom where a Centra Event takes place, as represented by the Presenter and Participant user interface.

Media Window - The main area of the Presenter and Participant's user interface that shows the interactive tool windows and Agenda items, a.ka. the Content Window.

My Schedule - The first page viewed by a Centra user upon login. It displays upcoming, ongoing, and past events in which the user is currently enrolled.

Participant - An Individual who attends a live Centra Symposium Event.

Participant List - The list of Participant names (students who have logged in to "attend" class) as displayed vertically on the left-hand side of the Centra interface.

Public Chat - Text Chat tool option that enables a Participant and Leader to exchange and display text chat messages that are viewed by all participants.

Private Chat - Text Chat tool option that enables a Participant and Leader to exchange and display confidential text chat messages.

Pre-session - The period of time between attending a live Event and when the Leader begins the session.

Privilege - Rights that enable a user to implement or use a specific feature of Centra, for example, the Leader role includes the privileges to view Evaluation results or enrollments.

Program - A number of Events grouped together under a single name. This is makes user enrollment more efficient in that you may enroll a user or group of users in a program which contains a list of individual events. The Program might be viewed as the course, while the events are viewed as all of the class meetings that constitute the course.

Recording - An instance of a pre-recorded event, which is available for playback. It contains all slides, annotations, audio tracks, application sharing, websafari and whiteboard activities that occurred during the actual live event.

Subject - A "container" that allows an Agenda to be used by one or more Events. A Centra Event can only have one subject. However, several Events can use the same subject.

Survey - An Assessment tool that enables the Presenter to give ad-hoc, on the fly questions to Participants and immediately get their responses.

Symposium - The name for the CentraOne product in earlier versions.

Viewer - The Presenter, Co-Presenter, or Participants watching the video broadcast.

View Event List - List of scheduled Events on a particular server.

Web Safari - A tool, which enables the user to launch a new instance of their Web browser to share out a live web page and give a web site tour or demo to the event participants.

Whiteboard - A tool which enables the user to draw, write text, use annotation tools, create shapes, and import graphic images in the shared Media Window area of the user interface.