The document discusses different ways in which consent can be flawed in a contract, specifically coercion, undue influence, misrepresentation, and mistake. It defines coercion as committing or threatening a criminal act, and undue influence as exploiting a position of power over another party. Misrepresentation requires a false statement of material fact made knowingly to deceive the other party. Consent obtained through any of these flawed means can make a contract voidable.