Ключевые слова: abc, alphabet, background, black, board, clock, color, computer, countdown, dark, design, digit, digital, diode, display, dot, electric, electronic, element, font, graphic, green, illustration, information, led, letter, light, liquid crystal display, matrix, message, neon, number, one, panel, scoreboard, set, sign, style, symbol, technology, template, text, type, typeset, watch, white, write,