The best description of the multidimensional integrative approach to understanding psychopathology is that it is based on

Biological and Psychological causes and emotional developmental influences.

The multidimensional integrative approach suggests that psychological disorders are always caused by multiple factors, so it's not possible to understand them properly through a single theory, but a mix of them. Therefore, treatment should take the emotional state of the patient, his/her social circles, culture, personality and other traits.

The best description of the multidimensional integrative approach to understanding psychopathology is that it is based on biological and psychological causes, and each dimension is influenced by other dimensiolns such as emotional and developmental influences, as well.