Classes and Class

noun

• A collection of things sharing a common attribute.
  • usage: "there are two classes of detergents"
  • synonyms: category, family
• A body of students who are taught together.
  • usage: "early morning classes are always sleepy"
  • synonyms: form, grade, course
• People having the same social, economic, or educational status.
  • usage: "the working class"; "an emerging professional class"
  • synonyms: stratum, social class, socio-economic class
• Education imparted in a series of lessons or meetings.
  • usage: "he took a course in basket weaving"; "flirting is not unknown in college classes"
  • synonyms: course, course of study, course of instruction
• A league ranked by quality.
  • usage: "he played baseball in class D for two years"; "Princeton is in the NCAA Division 1-AA"
  • synonyms: division
• A body of students who graduate together.
  • usage: "the class of '97"; "she was in my year at Hoehandle High"
  • synonyms: year
• Biology) a taxonomic group containing one or more orders. (
• Elegance in dress or behavior.
  • usage: "she has a lot of class"

verb

• Arrange or order by classes or categories.
  • usage: "How would you classify these pottery shards-are they prehistoric"
  • synonyms: classify, sort, assort, sort out, separate

• (n.) A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.
• (n.) To arrange in classes; to classify or refer to some class; as, to class words or passages.
• (n.) A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes.
• (n.) To divide into classes, as students; to form into or place in, a class or classes.
• (v.i.) To grouped or classed.
• (n.) A set; a kind or description, species or variety.
• (n.) A number of students in a school or college, of the same standing or pursuing the same studies.
• (n.) One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader.

In the case of derivative products, options of the same type-put or call-with the same underlying security. See: Series. In general, refers to a category of assets such as: domestic equity, fixed income, etc.