CPRE Online Glossary - CPRE - IREB – International Requirements Engineering Board

The Requirements Engineering terminology in different languages

The CPRE Glossary covers the core terms of Requirements Engineering. The definitions of the terms are generally given in English and have not been translated. This avoids any vagueness or room for interpretation that may result from translations. In addition, the terms of the CPRE Glossary are harmonized with the terminology of the ISTQB.

The online glossary corresponds to the version available for download and is the central reference for the CPRE Foundation Level and the CPRE Advanced Level. For the Advanced Level RE@Agile, a supplementary glossary that defines the terms for Requirements Engineering in the agile environment is available for download.

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Maintainability

CPRE Glossary

The ease with which a ↑system can be modified by the intended maintainers.

Note:
Maintainability may be stated as a ↑quality requirement .
Method

CPRE Glossary

The systematic application of a ↑technique (or a set of techniques) to achieve an objective or create a work product.
Methodology

CPRE Glossary
1. The systematic study of ↑methods in a particular field, in particular, how to select, apply or evaluate methods systematically in a given situation.
2. A set of ↑methods being applied in some combination.
Mock-up (of a digital system)

CPRE Glossary

A medium-fidelity ↑prototype that demonstrates characteristics of a user interface without implementing any real ↑functionality .

Note:
In RE, a mock-up primarily serves for specifying and validating user interfaces.
Model

CPRE Glossary
An abstract representation of an existing part of reality or a part of reality to be created.
Note:
1. The notion of reality includes any conceivable set of elements, phenomena or concepts, including other models.
2. Models are always built for specific purposes in a specific context.
3. With respect to a model, the modeled part of reality is called the original.
4. In RE, ↑requirements can be specified with models.
Modeling language

CPRE Glossary

A ↑language for expressing ↑models of a certain kind. May be textual, graphic, symbolic or some combination thereof.
Modifiability

CPRE Glossary

The degree to which a ↑work product or ↑system can be modified without degrading its ↑quality .
Multiplicity

CPRE Glossary

→ Cardinality

Downloads

The CPRE glossary is also available for download as PDF document in:
• Chinese (Mandarin)
• Dutch
• English
• French
• German
• Italian
• Persian
• Polish
• Portuguese (Brazil)
• Russian
• Swedish
• Spanish