The metrics display all data for the tracked website based on the current keyword positions and their search volumes.
You are able to create trackings for desktop and mobile platforms in Seobase. Track both platforms to get a full picture of your site's performance.
By selecting different dates you will see that metrics for keywords and for the tracked website overall will be changing.
The goal of metrics tracking is to know the organic traffic potential of your website. The metrics reflect the changes of rankings in real time.