"Conversational topics" refers to subjects or ideas that people talk about during a conversation. It's what people discuss when they're chatting with each other. Full definition
Keeping up with current events and business trends gives you a treasure trove to draw from in terms of conversational topics. (youtern.com)
Employment (or unemployment) statistics are just good conversational topics but they are not worth following for your career planning. (careerdigital.com)
Your dating past is always a tricky conversational topic to broach with a lady you're going out with, but it's even... (read more) (datingadvice.com)