The Marketing Glossary That Skips The Fluff. Every term defined by practitioners who've managed the budgets, built the campaigns, and read the reports. No textbook filler. Paid Media Quality Score ROAS (Return on Ad Spend) CPA (Cost Per Acquisition) Retargeting (Remarketing) Lookalike Audience Creative Fatigue SEO/GEO & Organic Search Search Intent GEO (Generative Engine Optimisation) E-E-A-T Analytics & Measurement Attribution Modeling Conversion Rate Incrementality MER (Marketing Efficiency Ratio) AI Transformation Prompt Engineering RAG (Retrieval-Augmented Generation) AI Agent AI Hallucination Fine-Tuning Token Content & Social Content Pillars Organic Reach Engagement Rate UGC (User-Generated Content) Social Listening Dark Social Community Management Viral Coefficient Strategy & Operations Fractional CMO In-Housing Go-To-Market Strategy ICP (Ideal Customer Profile)