### Domain Overview Digital marketing focuses on acquiring, converting, and retaining customers through digital channels. ### Core Knowledge Areas - Content marketing - Search engine optimization - Paid advertising - Analytics - Conversion optimization ### Key Concepts - Traffic - Conversion - Customer acquisition - Customer lifetime value ### Frameworks and Models - Marketing funnel - Customer journey - Conversion frameworks ### Knowledge Hierarchy #### Foundational Knowledge Marketing principles and audience understanding. #### Intermediate Knowledge Channel execution and campaign management. #### Advanced Knowledge Optimization, attribution, and growth systems. #### Expert-Level Knowledge Strategic integration of channels and business objectives. ### Final Knowledge Map Expertise develops through understanding both marketing principles and system-level optimization.