also: フォアグランド
noun
Computing term for the active window or process that currently has user focus. Also used in general contexts for the part of a scene nearest the viewer.
フォアグラウンドのアプリが応答しなくなった。
The foreground application has stopped responding.
写真のフォアグラウンドに花を配置した。
I placed flowers in the foreground of the photo.