The Time:Report screen allow Associates to create reports from time and billing entries:

Key	Meaning
Start	The starting date of the report
To	The ending date of the report
	The type of report Daily Each column is a day Weekly Each column is a week Monthly Each column is a month Yearly Each column is a year Summary Each column is a billing code
For	The Associate for whom the report represents, <All> displays the data for all associates
By	Display only the work done by the associate
Actual	The contents of the column shows who actually did the work
Style	The style of the summary By Code Each column is a billing code By Associate Each column is an associate By Both Each column is a billing code, and the column is broken by associate

Selecting the Actual option breaks down the chart to see who did the actual work:

And the By option displays only the work done by the associate, leaving out any work done on the associate behalf by other associates:

In the summary mode, each type of work is displayed for the time period:

Using the By option shows the actual work done by the associate:

And the Summary mode can be extended to cover the entire office.  Here we see what type of work was done by whom:

You can get more information on how to work with the graph in Working with Graphs.