How to define boutique coffee? What's the difference between boutique coffee and individual coffee?

In 1974, Erna Knutsen first used the word professional to refer to coffee in the Tea and Coffee Magazine. She uses this word to describe coffee with high quality and unique flavor produced in a microclimate. Nowadays, however, the word "professional" is everywhere in the industry. It was mercilessly used in packaging and signage and thrown away by baristas and bakers. Since the word entered the general form