1. WHAT
   1. A Program Evaluation and Review Technique
   2. a project management tool used to schedule, organize and coordinate tasks within a project
      1. used to represent a project schedule visually
         1. network diagram that lays out the entire project timeline, including tasks and milestones
   3. dynamic breakdown structure
      1. divides the project into smaller tasks and identifies any constraints
      2. a graphical representation of a project's timeline
         1. a variety of moving parts by visualizing the dependencies between each step of the process
      3. moving parts
   4. developed by the U.S. Navy in the 1950s to manage the Polaris submarine missile program
   5. an estimation of the minimum amount of time needed to complete a project
      1. to analyze risks associated with the project
2. WHO
   1. product and project managers
3. WHEN
   1. at the beginning of the project
      1. help avoid any potential bottlenecks
   2. when you need to
      1. determine the project's critical path in order to guarantee all deadlines are met
         1. get started quickly
      2. display the various interdependencies of tasks
      3. estimate the amount of time needed to complete the project
         1. valuate necessary resources before starting the project
4. WHY
   1. YES
      1. evaluate the time and resources necessary to a project
         1. by tracking required assets at each stage of the process
      2. for what-if analyses
         1. understand all possible workflows and choose the most efficient path
      3. includes data from various departments of organization
         1. identify each responsible team
            1. facilitating an environment where each department takes responsibility for its work
         2. to invest energy in projects that will enhance its strategic positioning
      4. make unclear deadlines more predictable
         1. clarify dependencies between tasks
   2. Be careful
      1. PERT charts are subjective
         1. success depends on the experience of the project manager
      2. full financial position of the project is not clear
      3. lack the flexibility to adapt to small changes that occur when confronted with a roadblock
      4. If any calculations are inaccurate in the creation of the chart, delays could occur, causing bottlenecks and negatively impacting the final delivery date
      5. labor-intensive, requiring additional time and resources
         1. must be consistently reviewed and maintained
   3. vs. Gantt chart
      1. clearly illustrates task dependencies
5. HOW
   1. Learn more
      1. Events and more
         1. Fast tracking is when
            1. tasks and activities are performed simultaneously
         2. A PERT event
            1. the point at which one or more tasks are started or completed
            2. A predecessor event
            3. occurs immediately before some events
            4. A successor event
            5. naturally occurs after events
         3. Slack
            1. the amount of time a single task can be delayed without harming other tasks or the project as a whole
      2. The critical path
         1. is the longest or most time-consuming path from the start to the completion of an event or task
            1. Critical path activity
            2. refers to a task that does not experience slack
            3. Crashing critical path
            4. when the completion time of a task is shortened
         2. is the longest sequence of essential tasks required to complete a project
      3. Times
         1. Lag time
            1. refers to the earliest point at which a task can follow another
         2. Lead time is
            1. the amount of time it should take to complete a task without impacting the following activities
         3. Expected time
            1. the best estimation of how long a task will take to complete, taking into consideration any problems or obstacles that might arise
         4. Optimistic time
            1. refers to the minimum amount of time it will take to complete a task
         5. Pessimistic time
            1. the maximum amount of time it will take to finish a task
         6. Most likely time
            1. the best guess of how long a task will take, assuming no problems arise
         7. time estimation
   2. Learn
      1. nodes
         1. numbered rectangles or circles
            1. to represent events and milestones
            2. are connected by vectors
      2. vectors
         1. lines/arrows
            1. represent the various tasks that need to be completed
            2. direction
            3. indicates the sequence of the task
            4. diverging arrows
            5. various tasks can be completed at the same time
   3. Create
      1. Step 1
         1. Define all activities involved in the project
            1. Identify project tasks. List all the individual tasks within the project and gather necessary information
      2. Step 2
         1. Consider any dependencies between tasks
            1. List task dependencies. See which tasks rely on a previous task’s completion before starting
      3. Step 3
         1. Define project events or milestones
            1. Draw nodes
      4. Step 4
         1. Use arrows or vectors to connect different nodes
            1. Arrows represent tasks
            2. Arrows from one task to another represent a dependent task
            3. Add expected time frames for each phase on the vectors
      5. Step 5
         1. Use divergent arrows for concurrent tasks
            1. You can also use dotted lines to show dependencies that don’t need resources
      6. Step 6
         1. Identify a critical path, and use different colored node outlines or a specific arrow color to visualize it
      7. develop a realistic time frame for the project
         1. finding the longest path
         2. how long the entire project will take
         3. adjust the times if circumstances change or to ensure the project is finished by its designated deadline
6. WHERE
   1. your projects
      1. to organize a complex project with a variety of moving parts by visualizing the dependencies between each step of the process
   2. use tools
      1. miro
      2. learn more
         1. https://online.visual-paradigm.com/diagrams/tutorials/pert-chart-tutorial/
7. How many
   1. for every project