Asker's rating. 1  Theme Of A Book Definition. Source(s): https://shrink.im/babyI. 2  The theme of a book means the meaning of the book or the life lesson that the book teaches. Basically the purpose of the book. 3  The theme of a book is the important life lesson that is being implied. It is something with a deeper meaning that is related to life.
It was only in the recent time that the concept of Caucasian originated. The term can be traced to the 19th century and has been derived from a region of the Caucasus Mountains. German scientist and anthropologist Johann Friedrich Blumenbach is credited with the development of the term Caucasian in 1800.
Definition of CAUCASIAN. 1. : of or relating to the Caucasus or its inhabitants.2. : of, constituting, or characteristic of a race of humankind native to Europe, North Africa, and southwest Asia and classified according to physical features âused especially in referring to persons of European descent having usually light skin pigmentation.â Caucasian noun.edical Definition of CAUCASIAN. 1. : of or relating to the white race of humankind as classified according to physical features. 2. : of or relating to the white race as defined by law specifically as composed of persons of European, North African, or southwest Asian ancestry. â Caucasian noun.