Critical path: The critical path is the sequence of activities that must be completed on schedule for the entire project to be completed on schedule. It is the longest duration path through the workplan. If an activity on the critical path is delayed by one day, the entire project will be delayed by one day (unless another activity on the critical path can be accelerated by one day). 
This video gives a simplified version to explain the concept.
- Read the “The Critical Path” section in the prescribed textbook (Web | PDF | EPUB | MOBI) (pages 82-84 in the PDF version of the text).
- WEnote: Why is it important to know the critical path? Post your comment below and then look on the course feed page to see what others have posted.
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