An aggregation is the act of summarizing data with a mathematical function, such as averaging the values in a column, or counting the number of rows in a table. The resulting number is often called a metric

An attribute is a property that describes or identifies some entity.

An analytical database is a database optimized for a few large analysis operations rather than many small transactions. OLAP usually relies on analytical databases.

A BI tool is an app designed for people to look at data without relying on code. These apps allow people to visualize and share data as tables, charts, and dashboards.

A card is a component of a dashboard that displays data or text.

Sometimes called a “calculated” column. You can use a custom expression to add columns to the results of your query. For example, adding a column that calculates the difference between the total and subtotal.

A well-designed drill-through dashboard solution keeps the initial dashboard simple and high-performing, allowing users to navigate to different reports in different subject areas and levels of detail.

* Prior to the proliferation of semantic modeling technologies like SQL Server Analysis Services, dashboard-like reports often queries the relational data mart or data warehouse directly. However, modern tools like Power View and Excel are optimized to query cubes and tabular models. Therefor the term “model” now refers to a semantic model or cube and the term data mart refers to a relational database.