That's what it's all about.
<head> <meta name="description" content="Meta tag about meta tags"> <meta name="keywords" content="keywords, don't, bother"> <meta name="author" content="Thomas Jefferson"> <meta charset="UTF-8"> </head>
They need lots of help, so meta tags are one way to give them a hand.
Google is wise to that. Don't bother with keyword stuffing, and focus on having good descriptors for the page content.
Keep meta information as short and descriptive as possible.