Glossary

AI Marketing & SEO Glossary

A working glossary of 50 terms that come up in AI marketing, SEO, and AEO conversations. Short definitions, written for solopreneurs and marketers, cross-linked to deeper reading where it exists.

This page defines 50 AI marketing, SEO and AEO terms a solopreneur or in-house marketer is likely to encounter in 2026. Definitions are short (1-3 sentences), written for practical use rather than academic completeness. Where a term has a corresponding deep-dive on Syxo, the entry links to it.

If a term you need is missing, email hello@syxoai.com — entries are added on request.

A

AEO (Answer Engine Optimization)
The practice of structuring content so AI engines (Perplexity, ChatGPT Search, Google AI Overviews, Claude) cite it in their answers. Combines summary-led structure, defined-term content, schema markup, and external citations. See what is AEO.
AI Marketing System
A documented sequence of prompts, inputs, quality checks and outputs that runs the same way every time. Distinct from one-off prompting. See AI prompts vs AI systems.
AI Overviews
Google's AI-generated SERP summary that appears above organic results for many queries in 2025-2026. Drives heavy zero-click behaviour; getting cited inside the AI Overview matters more than ranking position for some queries.
AI Voice Prompt
A 500-800 word reference document fed to an AI tool before any task, capturing how a specific person writes — sentence patterns, vocabulary, banned words, signature moves. See the complete voice prompts guide.
AI Workflow
A repeatable sequence of connected prompts and human review steps that takes a marketing task from input to finished output. Workflows compound; prompts don't. See how to build an AI workflow.

B

Brand Voice
How a brand consistently sounds across all communications. For AI use, captured in a voice prompt that operationalises voice rules mechanically rather than conceptually.

C

Calibrated Stack
Syxo's term for a marketing tool stack chosen for the specific operator and ICP rather than a generic "top 10 AI tools" list. The calibration is to budget, sector regulation, technical comfort, and existing workflows.
Claude Projects
Anthropic's feature for grouping conversations with persistent context. Used to deploy a voice prompt as a project-level instruction Claude applies to every conversation.
Content Batching
Producing a month or quarter of content in a single focused session rather than scattered across days. AI batching uses a voice prompt + workflow to produce 20-30 pieces in 2-4 hours. See content batching with AI.
Content Cluster
A pillar page covering a broad topic plus 10-30 supporting pages each covering a narrower sub-topic, all internally linked. Signals topical authority to search engines.
Content Pillar
A single comprehensive page (usually 3,000-10,000 words) covering a broad topic in depth. The hub of a content cluster. Used to capture broad queries and distribute authority.
Core Web Vitals
Google's three user-experience metrics: LCP (Largest Contentful Paint, loading), INP (Interaction to Next Paint, responsiveness), CLS (Cumulative Layout Shift, visual stability). Affect ranking on the margin.
CTR (Click-Through Rate)
The percentage of search impressions that result in a click. A low CTR at a high position usually indicates a title or meta description that doesn't match searcher intent.
Custom GPT
A configured ChatGPT instance with custom instructions, knowledge files and conversation starters. Used to operationalise a voice prompt and supporting reference docs as a single-click tool.

D

DFY (Done-For-You)
A service model where the provider builds and delivers the asset rather than teaching the buyer to build it. Sits between DIY courses and ongoing retainer services. See the DFY buyer's guide.
DFY Voice System
A productised service that reverse-engineers a client's existing writing into a voice prompt + custom GPT + workflow they own. One-time fee. Typical UK pricing: £497-£997. See the DFY voice system.

E

E-E-A-T
Google's quality framework: Experience, Expertise, Authoritativeness, Trustworthiness. Signals include author bios, methodology disclosure, named credentials, external citations. See Syxo's methodology page.

F

A summary box at the top of Google results that directly answers a query. Often pulled from a paragraph, list or table on a top-5 page. Captures roughly 8% of clicks for queries where it appears.

G

GBP (Google Business Profile)
The free Google listing for a local business showing on Maps and local search. The highest-leverage asset for any business with a local catchment. Formerly Google My Business. See optimising GBP with AI.
GEO (Generative Engine Optimization)
A near-synonym for AEO emphasising optimisation specifically for generative AI engines (ChatGPT Search, Perplexity, Gemini, Claude). Most practitioners use GEO and AEO interchangeably.
Ghostwriter
A writer who produces content published under someone else's name. UK LinkedIn ghostwriter pricing in 2026 ranges £1,500-£8,000+/month. See UK ghostwriter pricing.
GSC (Google Search Console)
Google's free tool for monitoring how a site performs in search. Shows impressions, clicks, average position by query and page, indexing status and structured-data validation.

H

Heading Hierarchy
The H1-H6 structure of a page. Should be semantic, not visual — one H1, H2s for major sections, H3s nested inside. Search engines and screen readers rely on it.
Helpful Content System
Google's system (rolled into core ranking since 2024) that demotes sites producing content primarily for search engines rather than people. Heavy on author identity, original research, and user satisfaction signals.

I

ICP (Ideal Customer Profile)
The specific type of customer a business is built to serve — described by industry, size, role, situation, sophistication level. The narrower the ICP, the easier marketing becomes.
Internal Linking
Links between pages on the same site. Distributes link equity, helps Google discover pages, signals topical relationships. The simplest SEO lever most sites under-use.

J

JSON-LD
The recommended format for structured data on the web — JSON-formatted schema markup placed in a <script type="application/ld+json"> tag. Used to declare BlogPosting, FAQPage, BreadcrumbList, Product and other entity types.

K

Keyword Cluster
A group of related keywords targeted by a single page. A pillar targets a broad cluster; supporting pages each target a tight sub-cluster. Replaces the outdated one-keyword-per-page approach.
KGR (Keyword Golden Ratio)
A metric for finding low-competition keywords: allintitle results divided by monthly search volume. Below 0.25 (with volume under 250) indicates a likely page-1 candidate for a new site.

L

LLM (Large Language Model)
A neural network trained on large text corpora that generates text in response to prompts. ChatGPT, Claude, Gemini, Llama are LLMs. The substrate for AI marketing tools.
Local SEO
Optimisation for searches with local intent ("plumber near me", "London accountant"). Driven primarily by Google Business Profile, on-page location signals, and local backlinks. See local SEO in 2026.
Long-Tail Keyword
A specific multi-word query with low search volume but high intent. Where most search traffic actually lives. AI search has shifted more queries into long-tail territory.

M

Meta Description
The ~155-character page summary shown in SERP results. Doesn't directly affect ranking but heavily affects CTR. Should match search intent and include the primary keyword early.

O

Open Graph
Meta tags (og:title, og:description, og:image) that control how a page appears when shared on social platforms. Distinct from SEO meta tags but often confused.

P

Page Experience
Google's bundle of UX signals: Core Web Vitals, mobile-friendliness, HTTPS, no intrusive interstitials. Affects ranking on the margin, more on competitive queries.
Pillar Page
See content pillar. The hub of a content cluster.
PRODUCT_SNIPPETS
A SERP search appearance type in GSC reporting where Google renders rich product information from Product schema. Requires price, availability and ideally aggregateRating for full eligibility.

R

RAG (Retrieval-Augmented Generation)
An AI architecture that retrieves relevant documents from a knowledge base, then feeds them to an LLM as context. The mechanism behind Custom GPTs with knowledge files.
Rich Result
A SERP result enhanced with visual elements pulled from structured data — stars, prices, FAQ accordions, breadcrumbs, image thumbnails. Higher CTR than plain blue links at the same position.

S

Schema Markup
Structured data added to a page that declares entity types and relationships to search engines. Schema.org is the standard vocabulary; JSON-LD is the preferred format.
SEO (Search Engine Optimization)
The practice of designing pages and sites to rank well in search engine results. Modern SEO is mostly about matching searcher intent, demonstrating topical authority, and avoiding technical blockers.
SERP (Search Engine Results Page)
The page Google returns for a query. Modern SERPs include AI Overviews, featured snippets, People Also Ask, ads, local pack, knowledge panel, and only then organic links.
Speakable Schema
A schema property declaring which page sections are best suited for text-to-speech reading. Used by Google Assistant and other voice surfaces. Implemented via SpeakableSpecification with CSS selectors.
System Prompt
The instructions an AI tool receives before any user message — sets tone, role, capabilities and constraints. A voice prompt is a specific kind of system prompt focused on writing style.

T

Topical Authority
Google's assessment of a site's expertise across a topic, signalled by content depth, breadth, internal linking density, and external citations. The dominant SEO concept of 2023-2026.
Tripwire
A low-priced ($5-$15) introductory offer designed to convert leads into customers and surface buyer intent. Used as the first step in a value ladder before the main offer.
TTFB (Time to First Byte)
The time from request to the first byte of response — a server-side performance metric. Slow TTFB drags down LCP and Core Web Vitals.

V

Voice Match Score
A 12-point audit Syxo uses to grade whether AI output sounds like the person it's meant to mimic. Covers sentence-length distribution, vocabulary fit, banned-word avoidance, signature moves, tone shifts. Stable builds land at 80%+ on first draft.

W

Welcome Sequence
An automated email series sent to new subscribers after signup, typically 5-9 emails over 2-3 weeks, designed to nurture from signup to first purchase. See writing a 7-email welcome sequence with AI.

Z

A search where the user finds their answer on the SERP itself and never clicks through. AI Overviews, featured snippets and knowledge panels drive zero-click behaviour. Estimated at 60%+ of all Google searches in 2026.

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