A.A physical partition is hosted on one or more logical partitions. A logical partition is used when describing storage.
B.A logical partition is hosted on one or more physical partitions. A physical partition is used when describing storage.
C.A physical partition is used when describing only a SCSI or SAS disk. A logical partition is used when describing a SAN LUN.
D.A logical partition is used when describing only a SATA or SAS disk. A physical partition is used when describing RAID or mirrored arrays.