The "Description" meta tag and "keyword" meta tag were initially introduced to make using the web easier. Unfortunately, over the years these tags have been abused to the point where search engines have reduced bonus casino their importance in their algorithms.
Meta tags are not used for determining SERP rankings any longer. However, it's important to optimize your meta descriptions, as search engines will often use them for the page description on SERPs. So while they won't affect your ranking, a well-written description (along with an optimized <title> tag) can help solicit clickthroughs from users.
Meta Title and Meta Description tags are so important to findout our webpage url into search engines, when a user searched with a query..But not that much of value of Meta Keywords according to the search engines..