This document defines key terms related to advertising and marketing. It provides definitions for various types of advertisements, media, and strategies. It also explains common graphs and charts used to present data, along with useful vocabulary for describing trends shown in visualizations. Key areas covered include definitions of advertisements, advertising agencies, media types, campaigns, and metrics. It also outlines common graphs like pie charts, bar charts, and line graphs, and how to describe increases, decreases, fluctuations and draw conclusions from the trends shown.