Most fashion designers work for wholesalers or clothing manufacturers that produce clothing and accessory items for retailers, and employers are concentrated in New York and California. Self-employed fashion designers work in their own location, producing high-fashion items, custom-made or one-of-a-kind clothing, and some self-employed designers produce a line of clothing under their own name.
Median annual wages for salaried fashion designers were $61,160 in May 2008. The middle 50 percent earned between $42,150 and $87,120. The lowest 10 percent earned less than $32,150, and the highest 10 percent earned more than $124,780. Median annual earnings were $52,860 (£40,730.47) in apparel, piece goods, and notions - the industry employing the largest numbers of fashion designers. As of 2016,a fashion designer's median annual salary was $65,170. High end designers can earn around $92,550. In 2016, 23,800 people were counted as fashion designers in the United States. 
Fashion collection and line both are common terms in the fashion industry. Collections are found within a line. A line may be composed of multiple collections. Every larger apparel companies often have four or five lines that are defined by gender; lifestyle or price point and each line will have a new collection produced for each season. Haute couture, ready-to-wear, menswear, womenswear and childrens wear are considered lines, the clothing shown in each of these categories during fashion runway shows for a particular season makes up the collection.
When you hear ‘casual’, you probably think ‘frumpy’; and the casual fashion style could really be ANYTHING but frumpy! Women who indulge in the casual fashion style don’t grab the exotic and bold items off the shelves. They would much rather prefer a simple white tee and a pair of black pants with a coordinating and trendy purse. The entire look is very modern and uncluttered with an extra touch of subtle elegance.