As a software provider, we are stating "these are the number of impressions which your ad was served." This is not limited in any manner; this is a raw number of your ad was requested, and it was served. Think of it like raw server statistics. This request was made, it was delivered. We do not persecute between bots, automated traffic, humans who don't opt out of analytics, cookies, or JavaScript like Google Analytics does. You also are getting pure impressions so if you have 10 ads on 1 page, the ad impressions will be 10x higher than your Google Analytics Pageviews.
That is really what we try and provide currently. I am just stating these are different because stating ours is incorrect would be false, we are just measuring it differently than Google Analytics.