# Demand Calendar > The Hotel Commercial Platform for Total Revenue Management, Business Intelligence, and Profitability. - [Demand Calendar Core Concepts & Knowledge Base](https://www.demandcalendar.com/llms-full.txt): Comprehensive guide to Demand Calendar's capabilities, including Hotel Business Intelligence, Total Revenue Management (TRM), and Customer Acquisition Cost (CAC) analysis. - [About Demand Calendar](https://www.demandcalendar.com/about): Company mission, leadership, and the "Profit-Oriented" philosophy. - [Hotel Business Intelligence Blog](https://www.demandcalendar.com/blog): Industry insights on commercial strategy, revenue optimization, and data management.