It means you can use the wide - aperture mode to focus your shots on objects in the foreground and blur the background of each photo. (techradar.com)
Samsung offers multiple shooting modes, including a food mode that makes objects in the foreground stand out. (androidcentral.com)
Gravitational lensing is a phenomenon where light from distant objects is warped by the gravitational field of massive objects in the foreground, a bit like light travelling through a glass lens. (sciencedaily.com)