All about title tags
When a search engine visits your site they are looking for a number of things. Some of those things are your tags: meta-tags, title tags, etc. But the most important text on each of your web pages is your title tag.
The fact that the search engines include your title tag in their results should be enough to clue you in to how important they are.
Where are your title tags? If you look in your code, you will see it up at the top between and . You must look very carefully at your existing title tag and decide if it represents what you want the search engines, and the people coming to your site, to see.