Search for your file. If you have a document on your computer, but you're not sure exactly what folder it's saved in, you can find it as long as you know at least part of the name or a bit of text that is in the document. Click the Browse button at the bottom of the places list on the left. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.