Difference between "drive", "logical drive" and "partition"

[A_Fa]

Hi all. What is difference between "drive", "logical drive" and "partition" in disk organization? If a drive can contain some partition or a partition can contain some drive? What is difference between drive and logical drive? Excuse me for bad English and confused question. Thanks a'lot.

[Lost User]

1. A drive is generally a physical device that is, or behaves like, a random access disk.
2. A logical drive is a portion of a physical disk that is managed by software so it appears to the user as a physical drive. A logical drive is addressed as if it starts at address zero, even if it is physically located elsewhere on the device.
3. A partition is some portion of a physical disk that may be managed as a logical drive or raw device.
   For example a physical disk with 1000 sectors could be partitioned as follows:

0 - 50 Partition 1 : raw drive used by Operating System
51 - 250 Partition 2 : logical drive C
251 - 990 Partition 3 : logical drive D
991 - 999 Partition 4 : raw drive used by Operating System

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