This document discusses important terms for social media analysts to know across different social media platforms. It begins by explaining the importance of understanding analytics terms as social networks have improved their analytics offerings. It then provides definitions and explanations for 29 key terms used on platforms like Facebook, Twitter, YouTube, LinkedIn, Pinterest and Instagram. These terms include things like engagements, impressions, influencers, sentiment and various platform-specific metrics. The document aims to help social media analysts understand and communicate about performance consistently across networks.