Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
An example how the Venn diagrams can be used in the field. In this specific case, it is used to collect data about relationships between social groups/ NGO’s and their importance to fight HIV/AIDS (see page 30-32).
EVAPLAN (2004): Field Training Guide, Training Manuals for HIV/AIDS Committees at Local Government Authorities. Evaplan GmbH, University Hospital Heidelberg. [Accessed: 13.09.2010] PDF