The major metaphors and analogies that help users to expose to through the product, including the task-domain objects they create and manipulate, their attributes, and the operations that can be performed on them

The major metaphors and analogies that are used to convey to the user how to understand what a product is for and how to use it for an activity

The major metaphors and analogies show to users whether one object contains another, the relative importance of actions to others, and whether an object is part of another.