Red flags are warning signs that indicate a potential problem or danger. They are often used to alert people to take caution and pay attention to a certain situation. Red flags can be seen in many different contexts, such as in business, relationships, and even in crossword puzzles. In this case, the term 'red flags' is used to describe the 8-letter solution to a crossword puzzle. The term is used to signify that something is not quite right and should be looked into further.