The phrase "to cover the gap" means to bridge or fill in the space or difference between two things or situations that are not connected or corresponding. Full definition
Travel insurance specialty plans are ideal for covering gaps in your insurance. (travelinsurancereview.net)
Gap insurance covers the gap between what your vehicle is worth and what you are actually on the hook for in regard your vehicle loan after a collision. (trustedchoice.com)
It's an excellent complement to help cover gaps left by traditional homeowners insurance. (rismedia.com)