The components in the chart are:
Data Used
The amount of space on the disk used by data in the current SQL Azure database.
Data Free
The amount of space on the disk allocated to data in the current SQL Azure database but not used.
Log Used
The amount of space on the disk allocated to SQL Azure log files for the current database.
Log Free
The amount of space on the disk allocated to log files in the current SQL Azure database but not used.
Disk Free
The amount of space on the disk not used by any files.
Non-SQL Files
The amount of space on the disk used by files not associated with the current SQL Azure database.
About the charts
Select one or more of the databases in the Databases grid to restrict the Data and Log figures to only the space used by those databases.
To include non-SQL files in the chart, select the Include Non-SQL files in chart option, located above the chart.
You can choose to display the chart in either megabytes (MB) or percentage via the Disk Space Utilization list above the chart.
The space shown for SQL Data and Log files refers to files in this instance of SQL Azure only.