Fantastic graphics of a room with a window in the ceiling through which you can see the skyFantastic graphics of a room with a window in the ceiling through which you can see the sky
Abstract background in green tones with smooth white linesAbstract background in green tones with smooth white lines
В математике: всякая непрямая линия. Кривая линия, изображающая рост или падение чего-н. в развитии какого-н. процесса.