Partition is a logical drive. Large disks have to be partitioned in order to be structured. Knowing what partition is, partition gap refers to the unused space between partitions. It is also "Inter-partition<span> space" which</span><span> can be used to hide data on a hard disk. In this case a disk editor utility is used to access the hidden data in the partition gap.</span>
I mean it typically goes wall jack to filter to line...
It would be called a link. Connection might work as well.