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component
subject			fact

component	has definition Any piece of software or hardware that has a clear role and can be isolated, allowing you to replace it with a different component with equivalent functionality
	is reusable if it can be used in several different systems with little or no modification
	is a subtopic of 9.1 - The Process of Design
	is a kind of subject
	may perform a special-purpose function such as the user interface for a particular system

Kinds of component :

• database (2 facts)
• dynamic link library (4 facts) (DLL)
• executable file (3 facts)
• framework (4 kinds, 16 facts) - A skeletal software component that performs functions needed by a class of systems, and which is intended to be incorporated into the design of such systems, Reusable software that implements a generic solution to a generalized problem. It provides common facilities applicable to different application programs
• isolated component (3 facts)
• layer (3 kinds, 11 facts) - A subsystem that provides a set of services and has layer cohesion
• module (3 kinds, 6 facts) - A component that is defined at the programming language level, such as file, method or package
• reusable component (10 facts) - A piece of software, such as a library, command, framework or application that is reused in a software system
• source file (1 kind, 5 facts)
• transaction handler (3 facts)
• user interface component (8 kinds, 5 facts) (control, widget) - A component used to create the user interface such as a menu, list, input field etc.
• virtual machine (4 facts) (VM)