# Red Finch Advisory

> Plain definitions of the AI terms enterprise teams use, grouped by topic, with other names, words to avoid and files for AI tools.

## AI Lexicon (version 1.0, 2026-10-21)

- [AI Lexicon as Markdown](https://redfinchadvisory.com/lexicon.md)
- [AI Lexicon as JSON](https://redfinchadvisory.com/lexicon.json)

### What is AI

- [AI](https://redfinchadvisory.com/lexicon/ai.md)
- [Foundation model](https://redfinchadvisory.com/lexicon/foundation-model.md)
- [Frontier model](https://redfinchadvisory.com/lexicon/frontier-model.md)
- [Generative AI](https://redfinchadvisory.com/lexicon/generative-ai.md)
- [Jagged frontier](https://redfinchadvisory.com/lexicon/jagged-frontier.md)
- [LLM](https://redfinchadvisory.com/lexicon/llm.md)
- [Machine learning](https://redfinchadvisory.com/lexicon/machine-learning.md)
- [Model](https://redfinchadvisory.com/lexicon/model.md)
- [Multimodal](https://redfinchadvisory.com/lexicon/multimodal.md)
- [Open source AI](https://redfinchadvisory.com/lexicon/open-source-ai.md)
- [Open weights](https://redfinchadvisory.com/lexicon/open-weights.md)
- [Reasoning model](https://redfinchadvisory.com/lexicon/reasoning-model.md)
- [Small language model](https://redfinchadvisory.com/lexicon/small-language-model.md)

### How models work

- [Batch inference](https://redfinchadvisory.com/lexicon/batch-inference.md)
- [Context window](https://redfinchadvisory.com/lexicon/context-window.md)
- [Deterministic](https://redfinchadvisory.com/lexicon/deterministic.md)
- [Embedding](https://redfinchadvisory.com/lexicon/embedding.md)
- [Embedding model](https://redfinchadvisory.com/lexicon/embedding-model.md)
- [Fine-tuning](https://redfinchadvisory.com/lexicon/fine-tuning.md)
- [Inference](https://redfinchadvisory.com/lexicon/inference.md)
- [Knowledge cutoff](https://redfinchadvisory.com/lexicon/knowledge-cutoff.md)
- [Parameters](https://redfinchadvisory.com/lexicon/parameters.md)
- [Post-training](https://redfinchadvisory.com/lexicon/post-training.md)
- [Pretraining](https://redfinchadvisory.com/lexicon/pretraining.md)
- [Probabilistic](https://redfinchadvisory.com/lexicon/probabilistic.md)
- [Reasoning effort](https://redfinchadvisory.com/lexicon/reasoning-effort.md)
- [Token](https://redfinchadvisory.com/lexicon/token.md)
- [Training](https://redfinchadvisory.com/lexicon/training.md)

### Ways of working

- [Agentic](https://redfinchadvisory.com/lexicon/agentic.md)
- [Agentic coding](https://redfinchadvisory.com/lexicon/agentic-coding.md)
- [Agentic workflow](https://redfinchadvisory.com/lexicon/agentic-workflow.md)
- [AI-assisted](https://redfinchadvisory.com/lexicon/ai-assisted.md)
- [AI-assisted coding](https://redfinchadvisory.com/lexicon/ai-assisted-coding.md)
- [AI-assisted workflow](https://redfinchadvisory.com/lexicon/ai-assisted-workflow.md)
- [AI-generated](https://redfinchadvisory.com/lexicon/ai-generated.md)
- [Assistant](https://redfinchadvisory.com/lexicon/assistant.md)
- [Custom assistant](https://redfinchadvisory.com/lexicon/custom-assistant.md)
- [Software factory](https://redfinchadvisory.com/lexicon/software-factory.md)
- [Vibe coding](https://redfinchadvisory.com/lexicon/vibe-coding.md)
- [Workflow automation](https://redfinchadvisory.com/lexicon/workflow-automation.md)

### Agents

- [Agent](https://redfinchadvisory.com/lexicon/agent.md)
- [Background agent](https://redfinchadvisory.com/lexicon/background-agent.md)
- [Coding agent](https://redfinchadvisory.com/lexicon/coding-agent.md)
- [Enterprise agent](https://redfinchadvisory.com/lexicon/enterprise-agent.md)
- [Internal agent](https://redfinchadvisory.com/lexicon/internal-agent.md)
- [Multi-agent system](https://redfinchadvisory.com/lexicon/multi-agent-system.md)
- [Orchestration](https://redfinchadvisory.com/lexicon/orchestration.md)
- [Personal agent](https://redfinchadvisory.com/lexicon/personal-agent.md)
- [Router agent](https://redfinchadvisory.com/lexicon/router-agent.md)
- [Subagent](https://redfinchadvisory.com/lexicon/subagent.md)

### Autonomy and identity

- [Acts as itself](https://redfinchadvisory.com/lexicon/acts-as-itself.md)
- [Acts as you](https://redfinchadvisory.com/lexicon/acts-as-you.md)
- [Acts for you](https://redfinchadvisory.com/lexicon/acts-for-you.md)
- [Advisor](https://redfinchadvisory.com/lexicon/advisor.md)
- [Agent identity](https://redfinchadvisory.com/lexicon/agent-identity.md)
- [Autonomous](https://redfinchadvisory.com/lexicon/autonomous.md)
- [Human oversight](https://redfinchadvisory.com/lexicon/human-oversight.md)
- [Human-in-the-loop](https://redfinchadvisory.com/lexicon/human-in-the-loop.md)
- [Human-on-the-loop](https://redfinchadvisory.com/lexicon/human-on-the-loop.md)
- [Human-out-of-the-loop](https://redfinchadvisory.com/lexicon/human-out-of-the-loop.md)
- [Kill switch](https://redfinchadvisory.com/lexicon/kill-switch.md)
- [Least privilege for AI](https://redfinchadvisory.com/lexicon/least-privilege-for-ai.md)
- [Levels of autonomy](https://redfinchadvisory.com/lexicon/levels-of-autonomy.md)
- [Task runner](https://redfinchadvisory.com/lexicon/task-runner.md)

### Instructions

- [Context](https://redfinchadvisory.com/lexicon/context.md)
- [Context engineering](https://redfinchadvisory.com/lexicon/context-engineering.md)
- [Few-shot prompting](https://redfinchadvisory.com/lexicon/few-shot-prompting.md)
- [Memory](https://redfinchadvisory.com/lexicon/memory.md)
- [Prompt](https://redfinchadvisory.com/lexicon/prompt.md)
- [Prompt chaining](https://redfinchadvisory.com/lexicon/prompt-chaining.md)
- [Prompt engineering](https://redfinchadvisory.com/lexicon/prompt-engineering.md)
- [Prompt template](https://redfinchadvisory.com/lexicon/prompt-template.md)
- [Role prompting](https://redfinchadvisory.com/lexicon/role-prompting.md)
- [Session](https://redfinchadvisory.com/lexicon/session.md)

### Connections and systems

- [A2A](https://redfinchadvisory.com/lexicon/a2a.md)
- [Agent gateway](https://redfinchadvisory.com/lexicon/agent-gateway.md)
- [Agent harness](https://redfinchadvisory.com/lexicon/agent-harness.md)
- [Agent loop](https://redfinchadvisory.com/lexicon/agent-loop.md)
- [Agent skill](https://redfinchadvisory.com/lexicon/agent-skill.md)
- [AI operations](https://redfinchadvisory.com/lexicon/ai-operations.md)
- [Client](https://redfinchadvisory.com/lexicon/client.md)
- [Code execution](https://redfinchadvisory.com/lexicon/code-execution.md)
- [Computer use](https://redfinchadvisory.com/lexicon/computer-use.md)
- [Connector](https://redfinchadvisory.com/lexicon/connector.md)
- [Grounding](https://redfinchadvisory.com/lexicon/grounding.md)
- [Interface](https://redfinchadvisory.com/lexicon/interface.md)
- [Knowledge base](https://redfinchadvisory.com/lexicon/knowledge-base.md)
- [LLM gateway](https://redfinchadvisory.com/lexicon/llm-gateway.md)
- [Loop engineering](https://redfinchadvisory.com/lexicon/loop-engineering.md)
- [MCP server](https://redfinchadvisory.com/lexicon/mcp-server.md)
- [Model Context Protocol](https://redfinchadvisory.com/lexicon/model-context-protocol.md)
- [Model routing](https://redfinchadvisory.com/lexicon/model-routing.md)
- [Observability](https://redfinchadvisory.com/lexicon/observability.md)
- [RAG](https://redfinchadvisory.com/lexicon/rag.md)
- [Sandbox](https://redfinchadvisory.com/lexicon/sandbox.md)
- [Stack](https://redfinchadvisory.com/lexicon/stack.md)
- [System prompt](https://redfinchadvisory.com/lexicon/system-prompt.md)
- [Tool](https://redfinchadvisory.com/lexicon/tool.md)
- [Vector database](https://redfinchadvisory.com/lexicon/vector-database.md)

### Evaluation

- [A/B test](https://redfinchadvisory.com/lexicon/a-b-test.md)
- [Benchmark](https://redfinchadvisory.com/lexicon/benchmark.md)
- [Eval](https://redfinchadvisory.com/lexicon/eval.md)
- [Human-as-judge](https://redfinchadvisory.com/lexicon/human-as-judge.md)
- [LLM-as-judge](https://redfinchadvisory.com/lexicon/llm-as-judge.md)
- [Production monitoring](https://redfinchadvisory.com/lexicon/production-monitoring.md)
- [Red teaming](https://redfinchadvisory.com/lexicon/red-teaming.md)
- [Regression eval](https://redfinchadvisory.com/lexicon/regression-eval.md)
- [Side-by-side eval](https://redfinchadvisory.com/lexicon/side-by-side-eval.md)
- [Verified test set](https://redfinchadvisory.com/lexicon/verified-test-set.md)

### Risks

- [AI safety](https://redfinchadvisory.com/lexicon/ai-safety.md)
- [AI security](https://redfinchadvisory.com/lexicon/ai-security.md)
- [AI slop](https://redfinchadvisory.com/lexicon/ai-slop.md)
- [Alignment](https://redfinchadvisory.com/lexicon/alignment.md)
- [Bias](https://redfinchadvisory.com/lexicon/bias.md)
- [Data exfiltration](https://redfinchadvisory.com/lexicon/data-exfiltration.md)
- [Deepfake](https://redfinchadvisory.com/lexicon/deepfake.md)
- [Deterministic guardrail](https://redfinchadvisory.com/lexicon/deterministic-guardrail.md)
- [Guardrail](https://redfinchadvisory.com/lexicon/guardrail.md)
- [Hallucination](https://redfinchadvisory.com/lexicon/hallucination.md)
- [Indirect prompt injection](https://redfinchadvisory.com/lexicon/indirect-prompt-injection.md)
- [Input guardrail](https://redfinchadvisory.com/lexicon/input-guardrail.md)
- [Jailbreak](https://redfinchadvisory.com/lexicon/jailbreak.md)
- [Output guardrail](https://redfinchadvisory.com/lexicon/output-guardrail.md)
- [PII redaction](https://redfinchadvisory.com/lexicon/pii-redaction.md)
- [Probabilistic guardrail](https://redfinchadvisory.com/lexicon/probabilistic-guardrail.md)
- [Prompt injection](https://redfinchadvisory.com/lexicon/prompt-injection.md)
- [Reward hacking](https://redfinchadvisory.com/lexicon/reward-hacking.md)
- [Sycophancy](https://redfinchadvisory.com/lexicon/sycophancy.md)

### Oversight

- [Agent sprawl](https://redfinchadvisory.com/lexicon/agent-sprawl.md)
- [AI ethics](https://redfinchadvisory.com/lexicon/ai-ethics.md)
- [AI governance](https://redfinchadvisory.com/lexicon/ai-governance.md)
- [AI governance committee](https://redfinchadvisory.com/lexicon/ai-governance-committee.md)
- [AI inventory](https://redfinchadvisory.com/lexicon/ai-inventory.md)
- [Approved tools](https://redfinchadvisory.com/lexicon/approved-tools.md)
- [Deployer](https://redfinchadvisory.com/lexicon/deployer.md)
- [Explainability](https://redfinchadvisory.com/lexicon/explainability.md)
- [Fine-tuning on our data](https://redfinchadvisory.com/lexicon/fine-tuning-on-our-data.md)
- [High-risk AI](https://redfinchadvisory.com/lexicon/high-risk-ai.md)
- [How AI uses our data](https://redfinchadvisory.com/lexicon/how-ai-uses-our-data.md)
- [In-context use](https://redfinchadvisory.com/lexicon/in-context-use.md)
- [ISO/IEC 42001](https://redfinchadvisory.com/lexicon/iso-iec-42001.md)
- [Model risk management](https://redfinchadvisory.com/lexicon/model-risk-management.md)
- [Provider](https://redfinchadvisory.com/lexicon/provider.md)
- [Responsible AI](https://redfinchadvisory.com/lexicon/responsible-ai.md)
- [Retrieval from our data](https://redfinchadvisory.com/lexicon/retrieval-from-our-data.md)
- [Shadow AI](https://redfinchadvisory.com/lexicon/shadow-ai.md)
- [Vendor training](https://redfinchadvisory.com/lexicon/vendor-training.md)

### People and roles

- [Agent manager](https://redfinchadvisory.com/lexicon/agent-manager.md)
- [AI brain fry](https://redfinchadvisory.com/lexicon/ai-brain-fry.md)
- [AI center of excellence](https://redfinchadvisory.com/lexicon/ai-center-of-excellence.md)
- [AI champion](https://redfinchadvisory.com/lexicon/ai-champion.md)
- [AI literacy](https://redfinchadvisory.com/lexicon/ai-literacy.md)
- [AI product manager](https://redfinchadvisory.com/lexicon/ai-product-manager.md)
- [AI-pilled](https://redfinchadvisory.com/lexicon/ai-pilled.md)
- [Chief AI Officer](https://redfinchadvisory.com/lexicon/chief-ai-officer.md)
- [Citizen developer](https://redfinchadvisory.com/lexicon/citizen-developer.md)
- [Cognitive debt](https://redfinchadvisory.com/lexicon/cognitive-debt.md)
- [Entry-level gap](https://redfinchadvisory.com/lexicon/entry-level-gap.md)
- [Evals engineer](https://redfinchadvisory.com/lexicon/evals-engineer.md)
- [External FDE](https://redfinchadvisory.com/lexicon/external-fde.md)
- [Forward deployed engineer](https://redfinchadvisory.com/lexicon/forward-deployed-engineer.md)
- [Full-stack builder](https://redfinchadvisory.com/lexicon/full-stack-builder.md)
- [Internal FDE](https://redfinchadvisory.com/lexicon/internal-fde.md)
- [Meat proxy](https://redfinchadvisory.com/lexicon/meat-proxy.md)
- [Product engineer](https://redfinchadvisory.com/lexicon/product-engineer.md)
- [The great flattening](https://redfinchadvisory.com/lexicon/the-great-flattening.md)
- [Tokenmaxxing](https://redfinchadvisory.com/lexicon/tokenmaxxing.md)
- [Use-case owner](https://redfinchadvisory.com/lexicon/use-case-owner.md)

### Value case

- [AI washing](https://redfinchadvisory.com/lexicon/ai-washing.md)
- [Cost per task](https://redfinchadvisory.com/lexicon/cost-per-task.md)
- [Cost per token](https://redfinchadvisory.com/lexicon/cost-per-token.md)
- [GEO (generative engine optimization)](https://redfinchadvisory.com/lexicon/geo.md)
- [Moat](https://redfinchadvisory.com/lexicon/moat.md)
- [Model-agnostic](https://redfinchadvisory.com/lexicon/model-agnostic.md)
- [MVP](https://redfinchadvisory.com/lexicon/mvp.md)
- [Outcome-based pricing](https://redfinchadvisory.com/lexicon/outcome-based-pricing.md)
- [Per-seat pricing](https://redfinchadvisory.com/lexicon/per-seat-pricing.md)
- [Pilot](https://redfinchadvisory.com/lexicon/pilot.md)
- [Production](https://redfinchadvisory.com/lexicon/production.md)
- [Proof of concept (POC)](https://redfinchadvisory.com/lexicon/proof-of-concept.md)
- [Sovereign AI](https://redfinchadvisory.com/lexicon/sovereign-ai.md)
- [Usage-based pricing](https://redfinchadvisory.com/lexicon/usage-based-pricing.md)
- [Wrapper](https://redfinchadvisory.com/lexicon/wrapper.md)