Within systems engineering, -ilities are aspects or non-functional requirements. They are so-named because most of them end in "-ility." Systems engineering (or systems design engineering) as a field originated around the time of World War II. Large or highly complex engineering projects, such as the development of a new airliner or warship, are often decomposed into stages and managed throughout the entire life of the product or system. ... In computer science, an aspect is a part of a program that cross-cuts its core concerns, therefore violating its separation of concerns. ...

A subset of them (Reliability, Availability, Serviceability, Usability, and Installability) are together referred to as RASUI. Reliability concerns quality or consistency. ... In telecommunications and reliability theory, the term availability has the following meanings: 1. ... In civil engineering, serviceability refers to the conditions under which a building is still considered useful. ... This article needs to be cleaned up to conform to a higher standard of quality. ...

For databases RASR is an important concept (Reliability, Availability, Scalabilty, and Recoverability). The "-ilities" often include: Reliability concerns quality or consistency. ... In telecommunications and reliability theory, the term availability has the following meanings: 1. ...

Accessibility is a general term used to describe how easy it is for people to get to, use, and understand things. ... Accountability has several meanings and is the subject of a broad debate among students of modern governance. ... Agility, one of the ilities, is the quality of being quick-moving and nimble. ... In telecommunications and reliability theory, the term availability has the following meanings: 1. ... Composability is a system design principle that deals with the inter-relationships of components. ... In computer science, dependability is defined as [1] Dependability includes the following attributes of a computing system [2]: Availability: readiness for correct service; Reliability: continuity of correct service; Safety: absence of catastrophic consequences on the user(s) and the environment; Security: the concurrent existence of (a) availability for authorized users... Evolvability is a concept in that relates ability of a particular phenotype to be robust to mutations. ... Extensibility is a system design principle where the current implementation takes into consideration future growth. ... Interoperability can be defined in a technical way or in a broad way, taking into account social, political and organizational factors. ... In telecommunication, the term maintainability has the following meanings: A characteristic of design and installation, expressed as the probability that an item will be retained in or restored to a specified condition within a given period of time, when the maintenance is performed in accordance with prescribed procedures and resources. ... This page is a candidate to be moved to Wiktionary. ... Mobility is the ability and willingness to move or change; this can depend on motor skills, special tools such as a walking stick, walker or wheelchair, vehicles, uncongested roads, public transport; mobility with regard to ones home depends on availability of houses and being bound to an area because... Openness is related to open source and is a philosophy that is being used as the basis of how various groups and organizations operate. ... In computer science, porting is the adaptation of a piece of software so that it will function in a different computing environment to that for which it was originally written. ... Prediction of future events is an ancient human wish. ... Reliability concerns quality or consistency. ... In computer science and software engineering, reusability is the likelihood a segment of structured code can be used again to add new functionalities with slight or no modification. ... In telecommunications and software engineering, scalability indicates the capability of a system to increase total througput under an increased load when resources (typically hardware) are added. ... Seamlessness is a system quality attribute, often applied to converging or merged technologies, that refers to the degree to which the technologies present a consistent structure and paradigm in interfaces and operations, so that the transition from one technology to another is not disruptive or confusing either in usage or... In civil engineering, serviceability refers to the conditions under which a building is still considered useful. ... Simplicity is the property, condition, or quality of being simple or un-combined. ... The word stability has a number of technical meanings, all related to the common meaning of the word. ... In engineering, survivability is the quantified ability of a system, subsystem, equipment, process, or procedure to continue to function during and after a natural or man-made disturbance; nuclear electromagnetic pulse from the detonation of a nuclear weapon. ... This page is a candidate to be moved to Wiktionary. ... Readability is a measure of the comprehensibility or understandability of written text. ... This article needs to be cleaned up to conform to a higher standard of quality. ...

Many of the "-ilities" can be applied to data quality. Data quality refers to the quality of data. ...

External link

• An extensive discussion of illities