Ключевые слова: alert, bell, blue, bright, cartoon, character, charm, cheerful, communication, concept, cute, decoration, delightful, design, effective, emotion, face, friendly, fun, happiness, happy, icon, iconography, joy, light background, minimal, modern, notification, object, optimistic, playful, positive energy, positivity, ringing, signal, simple, smile, sound, symbol, upbeat, uplifting,