Lenovo Thinkbook 15g2-Itl2

A Shell (LCD Back Cover): This houses the back of your screen display panel.B Shell (Front Screen Bezel): This is the plastic frame borders that surround your LCD screen.C Shell (Palmrest Assembly): This is the upper keyboard surround deck area where your hands rest while typing. It is often sold with or without a replacement keyboard and trackpad pre-installed Shell (Bottom Base Cover): This is the lower outer panel protecting the motherboard and internals, featuring the intake ventilation grilles and rubber support feet.