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Each column in the grid represents a day, week, month, or quarter, depending on the Grid Periods option you select on the Grid view drop-down menu. You can also specify the what data to display using the Columns options.
Display in the columns:
In the Project/Issue/User column, the following will be displayed: Project Key, Issue Key, User display name
In the Summary/Description column, the following will be displayed: Project name, Issue Summary, Worklog description
Filtering Data
Select filters for the reports to show only the information you need. You can, for example, select to view time logged on a specific project or all planned work for your team. The Filter by box at the top of the report shows which filters are applied.
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