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.
The Pantone colour system is an internationally recognized colour referencing system where thousands of shades are numbered. If you want to select your color story, you can use Pantone to develop color standards. Pantone is a color forecasting site. Each color swatch is labeled and categorized with numbers and letters, so you can find your true color easily for designing.