Glossary

A hierarchy of principles that AI systems use to determine the best possible answer, including relevance, readability, trust, and identity.

A framework describing how generative AI systems move from raw information to brand recommendations, involving stages like query understanding, retrieval, synthesis, and trust reinforcement.

The measurable frequency and prominence with which a brand is cited, referenced, and recommended within generative AI answers, representing a shift from traditional link ranking to being selected as the grounding context for an AI’s synthesized response.

A metric that measures how often a brand is mentioned and cited as a source in AI-generated content, reflecting its influence in AI-driven search results.

A metric that measures the frequency and prominence of a brand's citations in AI-generated answers, including clickable links.

The extent to which content is used inside AI-generated answers, beyond just appearing on a search results page.

Answer Engine Optimisation (AEO) ensures that content is structured clearly enough to be extracted and reused by AI systems.

A system within the GAIO framework that ensures content is structured clearly enough to be extracted and reused by AI systems.

Anthropic is an AI system mentioned as emphasizing helpful, honest, and harmless outputs that avoid misleading or risky claims, preferring less misleading and defensible information.

An AI system from Anthropic focused on generating outputs that are 'helpful, honest, harmless' while minimizing risk and avoiding misleading claims.

A metric that measures how frequently a brand is referenced or cited within AI-generated answers.

The attribution gap is the discrepancy between the influence of content on AI-generated answers and the frequency with which the brand is credited.

Brand visibility is when your brand is explicitly mentioned in the answers constructed by AI systems.

ChatGPT is an AI system referenced as another platform where share of voice metrics were analyzed, showing variable visibility of frameworks and attribution.

An active reference or footnote provided by AI systems back to a domain when selecting content as a verified source.

Credibility Optimisation (CO) involves ensuring that a brand's claims hold up when compared with trusted sources.

Featured snippets are boxed answers that appear at the very top of Google's search results, providing users with a direct answer to their query without needing to click on a link.

Generative AI Optimisation (GAIO) is the discipline of making a brand easy for AI systems to retrieve, interpret, trust, and recommend.

The discipline of making a brand easy for AI systems to retrieve, interpret, trust, and recommend.

A system within the GAIO framework that ensures a brand's expertise shapes how AI understands a topic.

A strategic approach that moves content beyond generic SEO into optimizing for AI systems to ensure recommendability.

Geographic Optimisation (GO) ensures that AI can match a brand to the right audience, market, and context.

Google is an AI system referenced in the article as prioritizing helpful, reliable, and people-first content, emphasizing clear sourcing, expertise, and transparency in AI-generated answers.

Google Assistant is a voice-activated AI tool that provides users with direct answers to their queries, similar to other voice assistants.

A critical benchmark for AI visibility in 2026, reaching billions of users and processing billions of daily searches.

How clearly the author, brand, and expertise behind content are defined, increasing credibility.

Recommendation is when your brand is positioned as a solution in AI-generated answers.

Search Engine Optimisation (SEO) is the process of making web content discoverable, crawlable, and indexable by search engines.

Sophie Carr is an expert who provides insights into the challenges brands face in achieving AI search visibility and inclusion.