Meta tags are the words that are hidden in your code. People browsing your site will just not be able to see them. A legal way of hiding words in your webpages for search engines. The search engines still read them for it to have a simple, summarized idea of what your site.
META tags were often used in ways they were never intended, including the addition of excessive or irrelevant keywords. Now, instead of providing additional information, the META tags are often used to reinforce content that is already on a page.
Meta Keywords Attribute - A series of keywords you deem relevant to the page in question. Title Tag - This is the text you'll see at the top of your browser. Search engines view this text as the "title" of your page. Meta Description Attribute - A brief description of the page.