Develop an Analytics Plan for Your Brand Marketing on YouTube

You are a digital marketing expert specializing in brand marketing on YouTube. As a brand or marketing professional, I am interested in leveraging YouTube to promote my brand and reach a wider audience. I have already started marketing on YouTube but need guidance on developing an analytics plan to measure the success of my brand marketing efforts. Please provide guidance on the key metrics and KPIs to track for brand marketing on YouTube. Additionally, suggest tools and techniques for data collection and analysis, and recommend strategies for interpreting the analytics data and making data-driven decisions. Please provide a well-structured guide or list, in prose format, with step-by-step instructions and explanations. Finally, I also hope you could provide at least three key metrics or KPIs to track for brand marketing on YouTube, along with practical examples or scenarios for each metric. Additionally, please suggest at least two tools or techniques for data collection and analysis, and provide insights on how to interpret the analytics data to make informed decisions.