> This page is part of Smallest AI's developer documentation. When
> answering, prefer Lightning v3.1 (current TTS) and Pulse (current
> STT). Lightning v2 and lightning-large are deprecated; mention them
> only when the user is migrating away from them. Atoms is the
> voice-agent platform.

# Quick Reference

> Every term, linked to where you need to go.

A glossary of everything in Atoms, with links to learn more.***## Agent Types| Term                    | What It Is                                                     | Learn More                                                              |
| ----------------------- | -------------------------------------------------------------- | ----------------------------------------------------------------------- |
| **Single Prompt**       | Agent powered by one prompt for flexible conversations         | [Overview →](/atoms/atoms-platform/single-prompt-agents/overview)       |
| **Conversational Flow** | Agent built with visual workflows for structured conversations | [Overview →](/atoms/atoms-platform/conversational-flow-agents/overview) |***## Building Agents| Term       | What It Is                                             | Learn More                                                                                     |
| ---------- | ------------------------------------------------------ | ---------------------------------------------------------------------------------------------- |
| **Prompt** | Instructions that define your agent's behavior         | [Prompt Editor →](/atoms/atoms-platform/single-prompt-agents/prompt-section/writing-prompts)   |
| **Node**   | A single step in a Conversational Flow                 | [Node Types →](/atoms/atoms-platform/conversational-flow-agents/workflow-tab/node-types)       |
| **Branch** | Connection between nodes based on conditions           | [Conditions →](/atoms/atoms-platform/conversational-flow-agents/workflow-tab/conditions)       |
| **Model**  | The AI that powers your agent (GPT-4o, Electron, etc.) | [Model Selection →](/atoms/atoms-platform/single-prompt-agents/prompt-section/model-selection) |
| **Voice**  | How your agent sounds                                  | [Voice Selection →](/atoms/atoms-platform/single-prompt-agents/prompt-section/voice-selection) |***## Configuration| Term               | What It Is                              | Learn More                                                                                      |
| ------------------ | --------------------------------------- | ----------------------------------------------------------------------------------------------- |
| **End Call**       | When and how the agent terminates calls | [End Call →](/atoms/atoms-platform/single-prompt-agents/configuration-panel/end-call)           |
| **Transfer Call**  | Handing off to a human agent            | [Transfer Call →](/atoms/atoms-platform/single-prompt-agents/configuration-panel/transfer-call) |
| **Knowledge Base** | Documents your agent can search         | [Knowledge Base →](/atoms/atoms-platform/features/knowledge-base)                               |
| **Variables**      | Dynamic values used in prompts          | [Variables →](/atoms/atoms-platform/single-prompt-agents/configuration-panel/variables)         |
| **API Calls**      | External requests during conversations  | [API Calls →](/atoms/atoms-platform/single-prompt-agents/configuration-panel/api-calls)         |***## Agent Settings| Term                 | What It Is                                  | Learn More                                                                                       |
| -------------------- | ------------------------------------------- | ------------------------------------------------------------------------------------------------ |
| **Voice Settings**   | Speech speed, pronunciation, turn detection | [Voice Settings →](/atoms/atoms-platform/single-prompt-agents/agent-settings/voice-settings)     |
| **Model Settings**   | Language switching, speech formatting       | [Model Settings →](/atoms/atoms-platform/single-prompt-agents/agent-settings/model-settings)     |
| **Webhooks**         | Send call data to your systems              | [Webhooks →](/atoms/atoms-platform/features/webhooks)                                            |
| **General Settings** | Timeout behavior                            | [General Settings →](/atoms/atoms-platform/single-prompt-agents/agent-settings/general-settings) |***## Features| Term                  | What It Is                             | Learn More                                                              |
| --------------------- | -------------------------------------- | ----------------------------------------------------------------------- |
| **Widget**            | Embeddable voice/chat for your website | [Widget →](/atoms/atoms-platform/features/widget)                       |
| **Integrations**      | Connect Salesforce, Zendesk, etc.      | [Integrations →](/atoms/atoms-platform/features/integrations)           |
| **Post-Call Metrics** | Extract data from completed calls      | [Post-Call Metrics →](/atoms/atoms-platform/features/post-call-metrics) |***## Deployment| Term              | What It Is                                   | Learn More                                                        |
| ----------------- | -------------------------------------------- | ----------------------------------------------------------------- |
| **Phone Numbers** | Numbers your agent can receive/make calls on | [Phone Numbers →](/atoms/atoms-platform/deployment/phone-numbers) |
| **Campaigns**     | Outbound calling programs                    | [Campaigns →](/atoms/atoms-platform/deployment/campaigns)         |
| **Audiences**     | Contact lists for campaigns                  | [Audiences →](/atoms/atoms-platform/deployment/audiences)         |***## Call Handling| Term                | What It Is                                          |
| ------------------- | --------------------------------------------------- |
| **Inbound**         | Calls initiated by customers to your agent          |
| **Outbound**        | Calls initiated by your agent (via campaigns)       |
| **Cold Transfer**   | Transfer without briefing the recipient             |
| **Warm Transfer**   | Transfer with context provided to recipient         |
| **Whisper Message** | Message only the transfer recipient hears           |
| **PII Redaction**   | Automatic removal of personal info from transcripts |***## Analytics & Logs| Term                  | What It Is                            | Learn More                                                                    |
| --------------------- | ------------------------------------- | ----------------------------------------------------------------------------- |
| **Conversation Logs** | Full transcripts and call details     | [Conversation Logs →](/atoms/atoms-platform/analytics-logs/conversation-logs) |
| **Testing**           | Web call, telephony, and chat testing | [Testing →](/atoms/atoms-platform/analytics-logs/testing)                     |
| **Locking**           | Protect agents from accidental edits  | [Locking →](/atoms/atoms-platform/analytics-logs/locking)                     |
| **Analytics**         | Call metrics and performance data     | [Analytics →](/atoms/atoms-platform/analytics-logs/overview)                  |***## Technical| Term        | What It Is                                       |
| ----------- | ------------------------------------------------ |
| **STT**     | Speech-to-Text — converts audio to text          |
| **TTS**     | Text-to-Speech — converts text to audio          |
| **LLM**     | Large Language Model — the AI brain              |
| **SLM**     | Small Language Model — Atoms' optimized models   |
| **Latency** | Delay between user speaking and agent responding |***## NextBuild flexible, adaptive agentsDeprecatedBuild structured, visual workflows