dimension is description, characteristic, feature or aspect of your data. Let me give you concrete example in Google Analytics reports, the first column of the table is always dimension.. Now, what you can do, s. you can enter that in the bar. But, you might've concluded that it's idea to run that campaign LA only because that's where all your traffic is coming from.. Then, it's time to add the secondary dimension 'Landing Page Click on the button above the column of the table and look for 'Landing Page, and click on that. Now, doing all this can be very hard, that's why you should always have in mind when opening your Google Analytics reports. Of course, if you're like me, you often open Google Analytics without in mind because you just want to play bit, have look around.. For those of you who play and also for those of you who have specific question, there's new feature in Google Analytics that helps you with picking secondary dimension. Let's say you've started campaign and also added UTM tag you can add that as secondary dimension, called 'Ad Content Google Analytics.
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