Marketing1 min read

AI Marketing Glossary 2026: 75+ Terms Every Marketer Needs

Confused by AEO, GEO, RAG, and LLMO? Complete glossary of 75+ AI marketing and automation terms with clear definitions.

Digital Applied Team
January 10, 2026
1 min read

Key Takeaways

Vocabulary Mastery: AI marketing vocabulary has expanded rapidly - mastering terms helps communicate with teams and vendors
Optimization Approaches: AEO, GEO, and LLMO represent different but overlapping approaches to AI search optimization
RAG Technology: Retrieval Augmented Generation powers modern chatbots with accurate, contextual responses
AI Metrics: Understanding Share of Voice and Share of Model helps measure AI visibility
Technical Knowledge: Terms like embeddings, context windows, and guardrails inform AI tool selection
Reference Guide: This glossary serves as a reference for the entire AI marketing series
75+ Terms Defined

This glossary covers the essential AI marketing vocabulary organized into four categories: AI Search Terms (AEO, GEO, LLMO), AI Automation Terms (RAG, chatbots, lead scoring), General AI Marketing Terms (LLMs, prompts, embeddings), and Technical Terms for deeper understanding.

AI Search Terms

Terms related to optimizing content for AI-powered search engines and answer systems.

AEO(Answer Engine Optimization)

Optimizing content to appear in AI-generated answer boxes, featured snippets, and direct answers.

GEO(Generative Engine Optimization)

Optimizing content to be cited and recommended by generative AI platforms like ChatGPT and Perplexity.

LLMO(Large Language Model Optimization)

Creating content that LLMs can accurately understand, trust, and cite in their responses.

AISO(AI Search Optimization)

Umbrella term for optimizing across all AI-powered search and discovery systems.

AIO(Artificial Intelligence Optimization)

General term for making content AI-friendly across various platforms and use cases.

AI Overviews(Google AI Overviews)

AI-generated summaries that appear at the top of Google search results for certain queries.

SGE(Search Generative Experience)

Google's original name for AI Overviews during the testing phase (2023-2024).

Zero-Click Search

Searches where users get answers directly from search results without clicking through to websites.

Featured Snippet

Highlighted answer box at the top of search results, pulled from a single source.

PAA(People Also Ask)

Expandable question boxes in search results showing related queries and answers.

Knowledge Panel

Information box appearing on the right side of Google search results for entities.

Share of Voice(SOV)

Percentage of total market visibility your brand captures relative to competitors.

Share of Model(SoM)

How often your brand appears in AI-generated responses compared to competitors.

Citation

When an AI system references or attributes information to a specific source.

E-E-A-T(Experience, Expertise, Authoritativeness, Trust)

Google's quality signals for evaluating content, increasingly relevant for AI citations.

Topical Authority

Being recognized as an authoritative source on a specific topic area.

Semantic Depth

How thoroughly content covers a topic's concepts, relationships, and implications.

Hub-and-Spoke

Content architecture with a central pillar page linking to related subtopic pages.

AI Automation Terms

Terms related to AI-powered marketing automation, chatbots, and lead management.

RAG(Retrieval Augmented Generation)

AI technique that retrieves relevant content from a knowledge base before generating responses.

Chatbot

Conversational AI interface that interacts with users through text or voice.

Callbot

AI system that handles phone conversations, often for customer service or booking.

Voicebot

Voice-activated AI assistant (like Alexa or Google Assistant) or phone-based AI.

Lead Scoring

Assigning numerical values to leads based on their likelihood to convert.

Lead Qualification

Process of determining if a lead meets criteria for sales follow-up.

Nurture Sequence

Series of automated communications designed to guide leads toward conversion.

Drip Campaign

Scheduled sequence of emails sent automatically based on time intervals.

No-Show Rate

Percentage of booked appointments where the customer doesn't attend.

Show Rate

Percentage of booked appointments where the customer attends.

Conversion Rate

Percentage of users who complete a desired action (purchase, signup, booking).

Knowledge Base

Repository of information that AI systems can reference for accurate responses.

Guardrails

Rules constraining AI behavior to stay on-topic, accurate, and brand-safe.

Escalation

Handoff from AI to human agent when conversation exceeds AI capabilities.

Intent Detection

AI determining what a user wants to accomplish from their message.

Sentiment Analysis

AI detecting emotional tone (positive, negative, neutral) in text.

CRM Integration

Connecting AI tools with Customer Relationship Management systems.

General AI Marketing Terms

Foundational AI concepts every marketer should understand.

LLM(Large Language Model)

AI models trained on vast text data that can understand and generate human language.

Foundation Model

Large pre-trained AI models that serve as the base for various applications.

Fine-Tuning

Training a pre-trained model on specific data to specialize its capabilities.

Prompt Engineering

Crafting inputs to AI systems to get desired outputs.

Context Window

Maximum amount of text an AI model can process in a single interaction.

Token

Unit of text processed by LLMs - roughly 3/4 of a word in English.

Embedding

Numerical representation of text that captures semantic meaning.

Vector Database

Database optimized for storing and searching embeddings.

Hallucination

When AI generates plausible-sounding but incorrect information.

Temperature

Parameter controlling AI response randomness - lower is more deterministic.

API(Application Programming Interface)

Interface allowing software systems to communicate and share data.

Webhook

Automated message sent between applications when specific events occur.

Automation

Using technology to perform tasks without manual intervention.

Workflow

Sequence of automated steps that accomplish a business process.

Integration

Connecting different software systems to work together.

Multimodal AI

AI that can process multiple types of input (text, images, audio).

Agentic AI

AI systems that can autonomously perform multi-step tasks.

AI Agent

AI system that can perceive, decide, and act to achieve goals.

Technical AI Terms

Deeper technical concepts for those implementing AI systems.

Inference

Process of generating AI outputs from inputs using a trained model.

Latency

Time delay between sending a request and receiving a response.

Throughput

Amount of data or requests processed in a given time period.

Model Serving

Infrastructure for hosting and running AI models in production.

Semantic Search

Search based on meaning rather than exact keyword matching.

Chunking

Splitting content into smaller pieces for AI processing and retrieval.

Retrieval

Finding relevant information from a knowledge base or database.

Generation

AI creating new text based on input and retrieved context.

Grounding

Anchoring AI responses in factual, retrieved information.

Training Data

Data used to teach AI models patterns and knowledge.

Bias

Systematic errors in AI outputs due to training data or design.

Evaluation

Testing AI system performance against benchmarks or human judgment.

Need Help Navigating AI Marketing?

Digital Applied helps businesses understand and implement AI marketing strategies. From AEO to chatbots, we speak the language and deliver results.

Free consultation
Expert guidance
Tailored solutions

Frequently Asked Questions

Related Guides

Continue exploring AI marketing with these guides