If you are a GA4 user, then it becomes necessary for you to understand the variables of Google Analytics 4. Data variables can also dig out some essential metrics about your website. Once you recognize these variables, you will be able to work like a pro!
One of the variables in Google Analytics is dimensions. Dimensions are the attributes of your data in GA4.
For example: In the cities sections, the name of the city is a dimension
Another one is metrics. Metrics are the quantitative data available on your GA4.
For example, the number of sessions and number of page views will be your metrics.