# Cost

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

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Compatibility](https://banes-lab.com/records/lexicon/compatibility.md) and before [Metadata](https://banes-lab.com/records/lexicon/metadata.md).

## Category

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

## In tension with

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

## Linked from

- [Correctness / Determinism / Verification](https://banes-lab.com/ontology/principles/architecture-category-correctness-determinism-verification.md)
- [Portability / Infrastructure / Deployment](https://banes-lab.com/ontology/principles/architecture-category-portability-infrastructure-deployment.md)
- [Error Handling / Resilience](https://banes-lab.com/ontology/principles/architecture-category-error-handling-resilience.md)
- [Self-Healing / Recovery / Deployment Safety](https://banes-lab.com/ontology/principles/architecture-category-self-healing-recovery-deployment-safety.md)
- [The resolutions](https://banes-lab.com/ontology/schema/the-resolutions.md)