Your clue to choosing the right garb is sometimes confusing. Here’s a quick guide. Black tie is formal wear, tuxedos and cocktail or evening dresses. Black tie optional allows a dark suit. Resort formal is warmweather code for bright and lightweight clothes. For semi or business formal, wear a cocktail dress or dressy suit that would be appropriate in the board room. Cocktail attire is short, elegant dresses and dark suits. The little black dress is perfect. Dressy casual is trousers and a sportcoat for him, a dressy pants look for her. Casual includes jeans, tshirts and sneakers. Got it? You’ll always have more fun wearing the right outfit (and we’ve seen every variation including red sneakers and white tie).