Misapprehension is a broad term that encompasses a variety of cognitive errors. It can refer to mistakes, fallacies, misconceptions, illusions, delusions, errors, and false impressions. MISTAKE is defined as an action or judgment that is misguided or wrong; FALLACY is an incorrect belief based on an unsound argument; MISCONCEPTION is an incorrect or mistaken idea; ILLUSION is a false perception of reality; DELUSION is a false belief that is resistant to reason or confrontation with actual fact; ERROR is a MISTAKE or inaccuracy; and false impression is an inaccurate or misleading perception.