Answer: A global appeal
Explanation:
The best denominator for the luxury brands are the quality and the global appeal as by appealing globally it extend the product advisement. It helps the development of the luxury brand and create a huge change in the selling number of the products.
The quality is one of the common and the essential denominator of the luxury brand as it increase the efficiency of the product. We can also globally appeal our brand by using various types of ways such as :