Smoky lettering and butterfly silhouette for desktopSmoky lettering and butterfly silhouette for desktop
Inscription in a foreign language on a gray backgroundInscription in a foreign language on a gray background
A huge number of mathematical formulas on a gray background with a light centerA huge number of mathematical formulas on a gray background with a light center
Annotation on the desktop in quotation marks in the middleAnnotation on the desktop in quotation marks in the middle
Отличительный знак на какой-н. вещи.