A set of (usually) three consonants that conveys the central meaning of a Hebrew word. Prefixes, suffixes and vowels added to the root clarify the precise meaning.
The Wallace Line or Wallace's Line is a faunal boundary line drawn in 1859 by the British naturalist Alfred Russel Wallace that separates the ecozones of Asia and Wallacea, a transitional zone between Asia and Australia.allace noticed this clear division during his travels through the East Indies in the 19th century. The line runs through Indonesia, between Borneo and Sulawesi (Celebes), and through the Lombok Strait between Bali and Lombok.
The international date line is an imaginary north-south line drawn through the middle of the Pacific Ocean about half way around the world, close to the 180 degrees of longitude from the Prime Meridian, which cuts through Greenwich, England.