Match the vocabulary word with the correct definition. NOTE: To complete this question without using the drag-and-drop feature, first click on a single answer choice from the answer choice box, then click in the response container you wish to answer. This will "drop" the answer choice into the response container. To complete this question while utilizing a screen reader, use the Tab key to navigate to an answer choice. Answer choices can be selected and inserted using the Enter key, Spacebar, left mouse button or touchpad. Using any of these keys, select your answer choice. Use the up and down arrow keys to navigate to the response container you wish to place the selected answer into. Press the key again to "drop" the answer choice into the response container. single-user or multi-line systems which transmit voice, data and other signals through the telephone line electronic messages delivered through the Internet conference call involving two or more sites or meeting areas business or commercial transactions occurring over the Internet a private Local Area Network (LAN) for use by everyone within an organization or company intranet e-mail phone system e-commerce video conferencing