What is a dimension in Google Analytics?

• A. A navigation path
• B. An attribute or characteristic of the data
• C. A segment of users from a country
• D. A quantitative measurement

Answer: (B)

In Google Analytics, a dimension is a descriptive attribute of your data that provides context for the metrics. Dimensions are qualitative properties such as country, city, browser, device type, or page path. They describe what the data is about and are used to break down or group the metrics you measure, helping you understand how different attributes relate to the numbers you see.

This is why the best answer is that a dimension is an attribute or characteristic of the data. The other ideas describe related concepts but not the defining idea of a dimension: a navigation path is more about the route users take, a segment of users from a country is a group defined by a condition (a filtered view), and a quantitative measurement is a metric.