Power BI is a powerful business intelligence tool developed by Microsoft, and there are several key concepts that users should be familiar with to effectively utilize its features.

Power Query: Power Query is a data connection and transformation tool that allows you to import, clean, and shape data from various sources before loading it into Power BI. It is crucial for data preparation and transformation. 

Data Modeling: In Power BI, data modeling involves creating relationships between tables, defining calculated columns, and creating measures. Understanding how to structure your data model is essential for creating meaningful visualizations. Power BI Course in Pune