Sets refers to any type of articles of clothing or group of things which are considered to be of the same kind and that can be paired together and are so used. Layettes are one example of a group or set of articles of clothing.
About Suitcases:
Suitcases are separate pieces of luggage that are used to contain items for use in travel. Suitcases often have wheels on the bottom of the bag to ease in the movement of the piece.
