Question

You are analyzing keywords, and notice several have significant numbers of impressions with low click-through rates. What does this mean?

Answer 1

Answer:

You are showing up in search results often, but users are rarely clicking on your listing.  

Explanation:

Impressions are how many times your advertisement or keywords pop up on a page or are viewed by someone and a click-through rate means someone has clicked on your advertisement and advance to whatever landing page you have chosen.