1 At-home system: The Medical Alert will work in all 50 states, as well as Canada, Puerto Rico and the Virgin Islands, as long as a compatible phone line is present. 2  Mobile Alert system: As long as adequate AT&T cell phone coverage is available.  Alert 911 system: As long as any adequate cell phone coverage is available.
Taxonomy (general), the practice and science of classification of things or concepts, including the principles that underlie such classification. Folk taxonomy, the way people describe and organize their natural surroundings. Folksonomy, classification based on user's tags.
Full Definition of TAXONOMY. 1. : the study of the general principles of scientific classification: systematics. 2. : classification; especially: orderly classification of plants and animals according to their presumed natural relationships.