"TM" refers to ways of protecting and restoring health that existed before the arrival of modern medicine. As the term implies these approaches to health belong to the traditions of each country and, have been handed down from generation to generation.
In practice the term "TM" refers to the following components: acupuncture (China), ayurveda (India), unani (Arabic countries), traditional birth attendants medicine, mental healers medicine, herbal medicine, and to various forms of indigenous medicine.

"Complementary medicine" or "alternative medicine" refer to a broad set of health care practices that are not part of that country's own tradition and are not integrated into the dominant health care system.
(www.who.int/medicines/…)

"Traditional medicine" is a comprehensive term used to refer both to TM systems such as traditional Chinese medicine, Indian ayurveda and Arabic unani medicine and, to various forms of indigenous medicine. TM therapies include medication therapies and non-medication therapies. Medication therapies involve use of herbal medicines, animal parts and/or minerals. Non-medication therapies are carried out primarily without the use of medication, as in the case of acupuncture, manual and spiritual therapies.
(summary: TM refers to various forms of indigenous medicine).
In countries where the dominant health care system is based on allopathic medicine, or TM has not been incorporated into the national health care system, TM is often termed "complementary", "alternative" or "non-conventional" medicine.
TM remains widespread in developing countries, while CAM is increasing rapidly in developed countries.
(WHO TM strategy 2002-2005; WHO 2002)
(Summary: TM is part of CAM)

Therapeutic activity refers to the successful prevention, diagnosis and treatment of physical and mental illnesses; improvement of symptoms or illnesses; as well as beneficial alteration or regulation of the physical and mental status of the body.

Active ingredients refer to ingredients of herbal medicines with therapeutic activity. In herbal medicines where the active ingredients have been identified, the preparation of this medicines should be standardized to contain a defined amount of the active ingredients, if adequate analytical methods are available. In cases where is not possible to identify the active ingredients, the whole herbal medicine may be considered as one active ingredient.