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Progress in the period: i.e. the progress that has been made between the previous deadline and the upcoming deadline. For example, progress within the last quarter.
Cumulative Annual Progress: i.e. the progress that has been made since the start of the year
You can set your own Year Start Date, for example to 5th April rather than 1st January
Cumulative All-time Progress: i.e. the progress that has been made since the project began
Get started with Targets
Seeing See project-level progress towards target targets on a the Project page
Seeing See project-level progress towards target targets on a Progress Board