Abbr vs Acronym. If you’ve read the HTML 4 specification recently trying to understand the difference between the abbr and acronym elements you may have come away feeling a little confused, I know I did.
This article contains an explanation of the difference between the two tags, and when it is appropriate to use one or the other. The first element of business then is to explain what each of the words means, to do this I’ve enlisted the help of my trusty dictionary. abbreviation A shortened form of a word or phrase used chiefly in writing to represent the complete form; for example, U.K. for United Kingdom. HTML TEXTAREA.