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Number of story points completed this sprint
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The vertical axis represents the amount of work, measured either by story points or number of issues. The horizontal axis represents time in days.
Work scope (the red line) shows the work that was planned for the sprint. If this line increases throughout the sprint, this is a sign of scope creep.
Completed work (the green line) shows work that has been moved to Done, and the Done status is in the rightmost column on the board.
Guideline (the grey line) shows an approximation of how your team should be progressing throughout the sprint to finish on time.
The distance between the Work scope and Completed work lines on the chart is the amount of work remaining. When all work for the sprint is complete, the lines will meet.
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In the horizontal axis (x axis) the period of time that the sprint lasts.
In the vertical axis (y axis) the unit of measurement chose to estimate the work: Story points, original time estimate or issue count.
Guideline, the grey line. This line is a guide for your team to approximate where they should be, provided the work was done in a linear progress. The ideal amount of work left or ideal burn rate.
Completed work, the green line. Each bar indicates the amount of work done in that day.
Work scope, the blue line. This line is the real amount of work left to be completed in the sprint, based on the unit to estimate the work (story points, original time estimate or issue count).
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