DesignCenter Tabs The Folders, Open Drawings, and History tabs several methods of accessing content. The tree view in the left portion of the DesignCenter window along with the DesignCenter tabs help you find and load content into the content area. About Locating DesignCenter Content | AutoCAD 2019 …ĭesignCenter provides a way of quickly locating content such as drawing files, block definitions, and hatches.