Refers to the part of a view, picture, or scene that is nearest to the observer. Often used in contrast with 背景 (background).
Flowers appear in the foreground of the photo.
Consider the balance between foreground and background.
前景 refers to the foreground of an image, the visual opposite of バックグラウンド as the background of a photo or scene.
Compound of 前 (front) and 景 (scene, view). The reading is on'yomi, following the typical Sino-Japanese pattern.