Click-through rate (CTR) is the number of users who click on a specific link out of the total users who view a page, email, or advertisement.mail click-through rate is expressed as a percentage, and calculated by dividing the number of click throughs by the number of tracked messages delivered. Most email marketers use this metrics along with open rate, bounce rate and other metrics, to understand the effectiveness and success of their email campaign.
Moonbat is a pejorative political epithet used in United States politics, referring to liberals, progressives, or leftists.
A moonroof is considered a type of sunroof because it lets in light and air through the top of the vehicle. But there are also different characteristics in terms of material and functionality. As noted by KBB, a moonroof generally includes a tinted glass panel, much like an extra window on top of the car.