Today, in this article let's play around with one of the interesting and most useful concepts in SharePoint 2010.Question: What is a Document Library?In simple terms "It allows the sharing and managing of documents across the site with a group of people". I think we are now good to go and implement this wonderful concept.Step 1: Open SharePoint 2010 Central Administration and navigate to a specific site:Step 2: Navigate to "Site Actions" -> "More Options...":Step 3: Select "Document Library" from the listed categories. Give a name to the document library:Step 4: The document library is now created. The site now looks like this:Step 5: The file upload dialogue box looks like this:Step 6: The document library with a document looks like this:Step 7: The document library, upon quick launch of the site, looks like this:I hope this article is useful for you. I look forward to your comments and feedback.