I think the primary audience of the journal is people who follow the trends. The writer explained how fashion affected people's perspective on dressing up and following the popular trends. Fashion played a significant role in the 60s. Fashion made people want to feel accepted in that particular group of individuals.
The line is, "For French of Paris was not hers to know.".
That is the answer for PLATO users. Hope this helps!
The answer to your question is love.