That makes something important come to light. We, as human creatures, develop the same notions over time. I suppose this is because we share so many traits, both physical and psychological. The only things that really divide us are those things we have cleaved to later in our existence. Things like philosophies, religions, and political ideologies. These evanescent things separate us. Attire however, can join us. We can, if we wish, look at how we choose to accoutre ourselves, and see connections between us, rather than separations. We can, if we wish to, see Attire as a means to communicate, rather than a means to divide.
Honestly, there are many others, I could go on and on The point is this. We have taken the idea of textiles and apparel so much to us that we have inbued our most complex language and colloquial slang with it.