Why call this a Journal?

jour·nal (jûr‘nəl)
n.

1. 1. A personal record of occurrences, experiences, and reflections kept on a regular basis; a diary.
   2. An official record of daily proceedings, as of a legislative body.
   3. Nautical. A ship’s log.
2. Accounting.
   1. A daybook.
   2. A book of original entry in a double-entry system, listing all transactions and indicating the accounts to which they belong.
3. A newspaper.
4. A periodical presenting articles on a particular subject: a medical journal.
5. The part of a machine shaft or axle supported by a bearing.