alternative medical care modality is a collection of collections. Each element of alternative medical care modality is a collection of AlternativeMedicineHealthCareEvents that have the same healing modality. In other words, an element of alternative medical care modality is a kind of alternative therapy considered as a collection of Events. Some elements of alternative medical care modality include homeopathy, naturopathy, and acupuncture. Alternative therapies considered as field of study can be denoted using the function alternative medical modality fos fn.