Choosing L-Shaped Sectional Sofas The Most popular sectional sofas are L-shaped. They typically include a chaise and an love seat that is not armless connected to a rounded wedge on one side, and a single-arm sofa or love seat on the other. Some may include recliner sections and built-in storage. http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=2003803