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View - View rate is similar to click-through rate (CTR), but instead of measuring clicks, it counts people who viewed your video ad after seeing it on YouTube. You can use View rate to track the value of your video campaigns on YouTube.
Views vs. Impressions for Bumper Ads and Skippable Ads
Impressions=Bumper Ads
Views=Truview Skippable Ads
YouTube Bumper Ads are 6 seconds (or shorter) and play before, during, or after another video. Viewers do not have the option to skip the ad. These are charged on a CPM (cost-per-thousand impressions). These are more expensive than a skippable ad because the viewer does not have the option to skip, therefore, making it constant displayed content.
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