Task: Class Definition Understanding (ontology: Earth_Environment/OBOE)

Which of the following definitions best describes 'Identifying Characteristic'?

A. provides a character phrase to refer to an entity. A the concept is typically used to reference an entity. For example, the the concept for a particular instance of a lake might be 'Lake Tahoe'.
B. A the concept of an entity is one that is measurable within the physical world. A the concept includes primary and derived physical dimensions (e.g., length, mass, area, density). The measured value assigned to a the concept may be a quantity (a numerical value) or a quality (a category), including both nominal and ordinal categories.
C. provides an identifying sequence of characters to refer to an entity within a context. An the concept can be unique within a local context or a global context.
D. An the concept is used to identify or name an entity either globally or within a context, such as a name of a lake or a tag number assigned to a tree. Unlike a MeasuredCharacteristic, an the concept is assigned and not measured.

Answer: An the concept is used to identify or name an entity either globally or within a context, such as a name of a lake or a tag number assigned to a tree. Unlike a MeasuredCharacteristic, an the concept is assigned and not measured.