To understand what success looks like for your digital advertising campaigns, here are some key terms you will want to know.

• CPA - Cost Per Acquisition:
  CPA calculates the cost incurred to acquire a customer through a specific advertising campaign. It helps in evaluating the efficiency of customer acquisition efforts.
   
• CPC - Cost Per Click:
  CPC is the cost incurred by an advertiser each time a user clicks on their ad. It measures the price of driving traffic to a website.
   
• CPM - Cost Per Mille (Thousand):
  CPM represents the cost of 1,000 ad impressions. It's a metric used to evaluate the cost efficiency of displaying an ad 1,000 times.
   
• CTR - Click-Through Rate:
  CTR is the percentage of people who click on an ad after seeing it. It gauges the effectiveness of an ad in encouraging user engagement.
   
•  CTR - Conversion Tracking Rate:
  CTR, in the context of conversion tracking, measures the percentage of users who complete a desired action (conversion) after clicking on an ad.
   
• PPC - Pay Per Click:
  PPC is an advertising model where advertisers pay a fee each time their ad is clicked. It's commonly associated with search engine advertising.
   
• ROI - Return on Investment:
  ROI measures the profitability of an investment. In advertising, it assesses the returns gained from the money spent on a particular campaign.
    
• ROAS - Return on Ad Spend:
  ROAS evaluates the revenue generated for every dollar spent on advertising. It is a crucial metric for assessing the profitability of marketing campaigns.