View the unit as an isolated, static entity.
What are its contrastive
features (i.e,. the features that differentiate it from similar things and serve to identify it)?
View the unit as a specific variant form of the concept
(i.e., as one among a group of instances that illustrate the concept.
What is the range of physical variation of the concept (i.e., how can instances vary without becoming something else)?
View the unit as part of a larger context.
How is it appropriately or typically classified? What is its typical position in a temporal sequence? In space, (i.e., in a scene or geographical array) in a system of classes?
View the unit as a dynamic object or event.
What physical features distinguish it from similar objects or events? In particular, what is its nucleus?
View the unit as a dynamic process.
How is it changing?
View the unit as a part of a larger, dynamic context.
How does it interact with and merge into its environment? Are its borders clear-cut or inderterminate?
View the unit as an abstract, multidimensional systems.
How are the components organized in relation to one another? More specifically, how are they related by class, in class systems, in temporal sequence, and in space?
View the unit as a multidimensional physical system.
How do particular instances of the system vary?
View the unit as an abstract system within a larger system.
What is its position in the larger system? What systemic features and components make it a part of the larger system?