Ключевые слова: activity, background, button, calorie, checkout, control, count, counter, digital, display, distance, electronics, entire, equipment, exercise, fitness, health, healthcare, healthy, instrument, isolated, led, lifestyle, liquidcrystal, measure, measurement, measuring, medicine, meter, mile, number, opaque, pedometer, run, running, screen, set, showing, sport, step, stride, surveillance, technology, tiny, tracker, visual, walk, walking, wellbeing, white,