# Cost

> The resource or financial expenditure required to build, run, or change a system.

Record: `lex:cost`
Kind: metric
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-cost

## category

- [Core Vocabulary](https://banes-lab.com/records/lex-category/core-vocabulary.md)

## referenced-by

- [Verification](https://banes-lab.com/records/arch/verification.md)
- [Fault Tolerance](https://banes-lab.com/records/arch/fault-tolerance.md)
- [Environment Parity](https://banes-lab.com/records/arch/environment-parity.md)
- [Redundancy](https://banes-lab.com/records/arch/redundancy.md)