Impressions are how many times an advertisement was shown. Count the impressions, a million impressions, impressions and clicks.
The number counts appearances rather than attention, so impressions can be enormous and worth almost nothing — which is why advertisers moved to counting clicks and then to counting sales. Whether a human being ever saw them is a separate and awkward question.
1nounimpressionsHow many times an advertisement was shown.
“The advert got millions of impressions, but very few people clicked on it.”
impressions is a measure.