This document discusses various metrics and analytics for measuring social media performance. It outlines key performance indicators for major platforms like Facebook, Twitter, and YouTube. These include metrics like follower counts, likes, shares, comments, and click-through rates. The document also discusses network analysis and how this can be used to map relationships and identify influential users. Visualizing these networks can help discover communities and influential accounts. Overall, the text provides an overview of different analytical tools for measuring engagement, reach, sentiment, and ROI across major social media channels.