This means to keep things as simple as possible. The shortest distance between two points is a straight line and there is no need to go anywhere else. Procedure means a way of doing something. An order of events even for something like making a cup of tea. Procedural simplicity - put the boiling water on the tea, let it brew.Finished. I hope this helps, Richard

It's a more concise form of "simplicity in procedure". Procedural simplicity is when procedures are simple and easy to follow and implement. Example: The company wanted procedural simplicity in their finance department so that staff could easily perform their jobs, but they did not want the procedures so simple that money could be easily stolen.