Consider the following symbol:

Which of the following best describes what this symbol represents?

A.
A modular, deployable, and replaceable part of a software system that encapsulates its
behavior and data and exposes these through a set of interfaces

B.
A perceptible form of the information carried by a business object

C.
A physical piece of data used or produced in software development, or by system deployment
and operation

D.
A software environment for specific types of components and objects that are deployed on it