Ключевые слова: abstract, april, background, banner, business, care, celebration, concept, continent, day, design, earth, education, environment, environmental, food, glittering, global, globe, happy, health, healthcare, healthy, heart, heath, holiday, idea, illness, illustration, laboratory, life, lifestyle, medical, medicament, medication, medicine, molecular, pharmaceutical, planet, poster, prevention, protection, recovery, sign, stethoscope, symbol, text, treatment, world,