Asian Efficiency has a good introduction to systems thinking with some nice diagrams in their blog post “Systems Thinking“
There is a reference to a simple example of the human element using the tooth brushing habit. Open and closed systems are mentioned and a brief explanation is given how mental models and diagrams can increase your awareness of different factors that can influence your results.
Generic system tools are introduced as a way of organizing and managing activities. 5 foundational tools are identified:
It is a good start to consider what system tools you have in place in each of these categories and how well they work together to help you achieve results.
In my case I use the following core programs supplemented by specialist programs to fill some specialized functions:
Asian Efficiency always ends their posts with some action items which are good reminders that taking action with newfound knowledge is needed to achieve the benefits.