Business / Internet Marketing / Click-Through Rate (CTR): Percentage of times a user responded to an advertisement by clicking on the ad button/banner. At one time the granddaddy of Web-marketing measurements, click-through is based on the idea that online promotions that do what they're intended to do will elicit a click. CTR is one metric Internet marketers use to measure the performance of an ad campaign.
Rate Verb Synonyms: measure, pace, gait, speed, velocity, clip
Rate Noun Synonyms: rank, grade, class, classify, evaluate, estimate, calculate, compute, count, reckon, judge, gauge, assess, appraise, measure
Science / Marine Biology / Photosynthetic Rate: The rate of conversion of dissolved carbon dioxide and bicarbonate ion to photosynthetic product MORE
Health / Vitamins / Phyto-Chemical Concentrates: Chemical constituents of plants part of its defense system, others than proteins, fats, carbohydrates, vitamins and minerals used in human nutrition, enhance overall health, act as detoxifying agents, MORE