- They can be used individually or as a package. They are cross-referenced with each other for ease of use. Countries may wish to go through each of the modules systematically or may use a specific module when the emphasis is on a particular area of mental health. For example, countries wishing to address mental health legislation may find the module entitled Mental Health Legislation and Human Rights useful for this purpose. - They can be used as a training package for mental health policy-makers, planners and others involved in organizing, delivering and funding mental health services. They can be used as educational materials in university or college.