PERT (Program Evaluation and Review Technique) charts represent with a graph - with nodes and edges - the tasks involved in completing a given project. This network chart usually begins with a "Start" node, spread into other directly or indirectly connected nodes, which get all redirected to a terminal "Finish" node.
Our Project Activities single-series demo charts show the succession of some project activities over a period of time. We always start with Requirements, then both Analysis and Development may start and continue in parallel. When the Development phase ends, Testing starts, and so on.