Attributes are properties or characteristics that are assigned to an object (e.g.: article, variant, products, structure, …). A distinction must be made between attributes (e.g. “colour”) and attribute values (e.g. “green”). Attributes are usually defined by a certain data type (e.g.: number, default value, free text, …) as well as further meta-information (e.g.: name, unit, …). Which attributes describe an object in more detail is usually defined by the user. The choice of attributes is mostly closely related to the target channels (e.g. online shop, marketplace, catalogue, ETIM, eclass, …). Depending on the industry, the complexity of the object and the number of target channels, an item can be defined by several hundred attributes.