Keycap, Symbol "seven"
This is a numeric key, which is depicted as: on a square frame, there is an Arabic numeral "7". This button is commonly used in telephones, computer keyboards, or mobile phone dials. This emoji can be used not only to specify the meaning of entering numbers on the keyboard, but also to dial telephone numbers.
Different platforms have different designs. Among them, the color of the number "7" varies with the platform, including white, yellow, black and blue. It is worth mentioning that the number "7" displayed on Docomo platform consists of three rectangles and one small square. Among them, the upper part is a right angle composed of two rectangles, and the lower part is a long rectangle. A small square is dotted between the right angle and the long rectangle, which is unique. In addition, in the Facebook and OpenMoji platforms, the depicted background images are black and gray respectively; Au by KDDI and Docomo platforms display white background frames; The Softbank platform shows a red background picture; As for the background frames of other platforms, they are all designed in blue.
