Is it fine if there is a gap in the pcie slot covers on the back of a case?

gap slotA slop is a opening in a machine, where someone drops in coins in order to buy a soda, candy, or other products. A gap is a hole caused by something missing. For example, a missing tooth isAs nouns the difference between gap and slot is that gap is an opening in anything made by breaking or parting while slot is a broad, flat, wooden bar, a slat, especially as used to secure