Answer: Operate over existing telephone lines to carry voice, data, and video.
Explanation:
Digital subscriber line is a means of transferring high bandwidth data over a telephone line. Such data could be a voice call, graphics or video conferencing. DSL uses a user's existing land lines in a subscriber's home, allowing users to talk on a telephone line while also being connected to the Internet. In most cases, the DSL speed is a function of the distance between a user and a central station. The closer the station, the better its connectivity.
A closed syllable<span> is a </span>syllable<span> that ends with a consonant. The words fan, am, and left have </span>closed syllables<span>. Multi-syllabic words have </span>closed syllables<span> too. For example, a two-</span>syllable<span> word with the vowel-consonant-consonant-vowel pattern may have one or two </span>closed syllables<span>.</span>
I guess you could say it offers a easier and faster way to facilitate the spread of information through visual displaying of the said information.