Ключевые слова: abbreviation, ambiguity, ambiguous, ambivalent, analysis, assurance, assured, belief, careful, changing, charity, choice, complexity, conditions, confident, confused, confusion, consider, control, counseling, decision, definite, definitely, definition, definitive, difference, doubt, doubtful, incertitude, indefinite, indubitable, insurance, internet, make sure, making, management, meaning, perceive, positive, purpose, success, to assure, uncertain, uncertainty, unclear, undeniable, unfamiliar, unsure, variable, volatility,