Ключевые слова: ability, anxiety, behavior, business, capability, client, concept, customer, design, emotion, empathy, experience, expert, feedback, flat, function, growth, happy, human, icon, illustration, line, linear, managing, mental, mind, online, outline, person, positive, productivity, psychology, quality, relationship, resource, responsible, review, self, service, skill, social, stress, system, user, work,