The document discusses the history and evolution of interior design from early humans decorating dwellings to the development of distinct styles like Scandinavian, eclectic, and mid-century modern. It also explores how interior design was influenced by ancient Egyptians, Greeks, and Romans. In the early 20th century, Elsie de Wolfe published one of the first interior design books called "The House in Good Taste," helping establish interior design as a professional field. Today, interior design draws inspiration from various sources like magazines, TV shows, and books.