The document defines various technical terms related to data recovery, including: - Partition, which logically divides a hard drive so each part can be treated as a separate drive. - Partition table, a 64-byte data structure that determines how the hard disk is divided into partitions. - Passive termination, a termination method for SCSI buses using passive resistors to match the bus. - Path, the location of a file including directory names from highest to lowest level.