“‘Give Me a Sign: The Language of Symbols’ Review: Pictures Worth a Thousand Words”: https://www.wsj.com/articles/give-me-a-sign-the-language-of-symbols-review-cooper-hewitt-smithsonian-design-museum-henry-dreyfuss-35a6e120
The problem with symbols is people attach new meanings to old symbols with utter disregard for the original purpose of those symbols: