The term 'patch' can be used in many contexts, and the crossword solutions reflect this. To RECONSTRUCT something is to build it back up from its components, while reinforcing means to strengthen it. Covering something is a way of protecting it, while rebuilding is to construct it again from the ground up. Fudging is a way of making something look better than it is, while PEA is a small round object. Sewing is a way of joining two pieces of fabric together, while AREA is a space or region. Darning is a way of repairing fabric, while mending is a way of fixing something that is broken. Cobbling is a way of piecing something together, while repairing is a way of restoring something to its original condition.