Ключевые слова: avoid, background, barrier, border, caution, comfort zone, concept, confidence, danger, dangerous, depression, detection, disease, distance, gathering, health, icon, immunity, infected, infection, isolation, keep away, loneliness, maintaining, man, mental, people, personal space, physical, preventive, protect, protection, public, quarantine, red, reduce, revealing, safety, security, sign, society, stop, surrounding, suspicion, symbol, threat, threats, toxic society, warning,