Illustrates the static nature of a system by modeling relationships between objects.
Use Rumbaugh's object diagram notations.
Illustrates the input and output events between the system and external agents.
Often, the life cycle model is text based, but you can graph it using a sequence diagram.
Below is an example of a text based life cycle model:
Installation =
open_setup.#serialnumber.Inquire*
Illustrates how a system's state changes in response to events.
The operation model consists of a list of operations and effects.