Log Area 
All log volumes in a database instance are known collectively as the log area. The database system writes the redo log entries of transactions into the log area.
See also:
Concepts of the Database System,
Database Manager
GUI, 
Displaying Log Area
Information
Database
Administration in CCMS: MaxDB, Monitoring the Log
Area
Database
Administration in CCMS: SAP liveCache Technology, Monitoring the Log
Area