Closed lace (oxford) looks neater; open lace (derby) is easier to wear every day.
Open lacing, a friendly last, and the most useful leather shoe for mixed days.
Brogues are leather shoes with decorative holes — texture you can see from across a room.
A wingtip is a brogue whose toe cap looks like a W or a pair of wings.
Keep the oxford’s clean line, drop the suit — dark denim and a soft jacket are enough.