Information about Ilities

Systems Engineering (SE) is an interdisciplinary field of engineering, that focuses on the development and organization of complex artificial systems. Systems Engineering integrates other disciplines and specialty groups into a team effort, forming a structured development
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In computer science, an aspect is a part of a program that cross-cuts its core concerns, therefore violating its separation of concerns. For example, logging code can cross-cut many modules, yet the aspect of logging should be separate from the functional concerns of the module it
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In systems engineering and requirements engineering, non-functional requirements are requirements which specify criteria that can be used to judge the operation of a system, rather than specific behaviors.
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Accessibility is a general term used to describe the degree to which a system is usable by as many people as possible. In other words, it is the degree of ease with which it is possible to reach a certain location from other locations.
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Accountability is a concept in ethics with several meanings. It is often used synonymously with such concepts as answerability, enforcement, responsibility, blameworthiness, liability and other terms associated with the expectation of account-giving.
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Agility can refer to:

In Sport:

• Sport agility, a component of physical fitness that describes changing the body's direction with speed and precision.
• Dog agility, a sport for dogs in which they must be quick-moving and nimble.

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Auditability is a non-functional requirement (also known as one of the Ilities), and concerns the transparency of a system with regards to external audits.

See also

• Sarbanes-Oxley Act

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availability has the following meanings:

1. The degree to which a system, subsystem, or equipment is operable and in a committable state at the start of a mission, when the mission is called for at an unknown, i.e., a random, time.
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Credibility is the objective and subjective components of the believability of a source or message. Traditionally, credibility is composed of two primary dimensions: trustworthiness and expertise, which have both objective and subjective components.
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standardization or standardisation can have several meanings depending on its context. Common use of the word standard implies that it is a universally agreed-upon set of guidelines for interoperability.
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Composability is a system design principle that deals with the inter-relationships of components. A highly composable system provides recombinant components that can be selected and assembled in various combinations to satisfy specific user requirements.
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Dependability is a value showing the reliability of a person to others because of his integrity, truthfulness, and trustfulness, traits that can encourage someone to depend on him.

The wider use of this noun is in Systems engineering.
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In software engineering, extensibility (sometimes confused with forward compatibility) is a system design principle where the implementation takes into consideration future growth.
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Flexibility is used as an attribute of various types of systems. In the field of engineering systems design, it refers to designs that can adapt when external changes occur.
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Interchangeability can refer to:

• Interchangeability (telecommunication): A condition in which exist two or more items with characteristics making them equivalent in performance and durability, making them fully exchangeable.

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Interoperability is a property referring to the ability of diverse systems and organizations to work together (inter-operate). The term is often used in a technical systems engineering sense, or alternatively in a broad sense, taking into account social, political, and
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Manageability solutions refer to a range of software available to monitor and maintain a computer system in good working condition. These software can be divided into hardware monitoring and software monitoring solutions.
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Mobility is the ability and willingness to move or change.

Mobility may also refer to:

• Mobility (computer game)
• Mobility (song), the debut single by Moby
• Electron mobility or hole mobility
• Electrophoretic mobility of charged species

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Modularity is a concept that has applications in the contexts of computer science, particularly programming, as well as cognitive science in investigating the structure of mind.
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Operability is the ability to keep a system in a functioning and operating condition. In a computing systems environment with multiple systems this includes the ability of products, systems and business processes to work together to accomplish a common task such as finding and
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Portability is the general characteristic of being readily transportable from one location to another, and may specifically refer to:

• Portability (social security), the portability of social security benefits

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Predictability refers to the degree that a correct forecast of a system's state can be made either qualitatively or quantitatively. While the second law of thermodynamics can tell us about the equilibrium state that a system will evolve to, and steady states in dissipative systems
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Relevance is a term used to describe how pertinent, connected, or applicable some information is to a given matter. It has unique significance in a variety of fields.

In politics

During the 1960s, relevance
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In general, reliability (systemic def.) is the ability of a person or system to perform and maintain its functions in routine circumstances, as well as hostile or unexpected circumstances.

The IEEE defines it as ". . .
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Repeatability is the variation in measurements taken by a single person or instrument on the same item and under the same conditions. A measurement may be said to be repeatable when this variation is smaller than some agreed limit.
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Reproducibility is one of the main principles of the scientific method, and refers to the ability of a test or experiment to be accurately reproduced, or replicated, by someone else working independently.
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In computer science and software engineering, reusability is the likelihood a segment of source code can be used again to add new functionalities with slight or no modification.
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In telecommunications and software engineering, scalability is a desirable property of a system, a network, or a process, which indicates its ability to either handle growing amounts of work in a graceful manner, or to be readily enlarged.
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