| ARR | Annual Recurring Revenue | Total sales figures for twelve months of subscriptions. |
| B2B | Business-To-Business | You sell to other businesses. |
| B2C | Business-To-Consumer | You sell to everyday customers. |
| CAC | Customer Acquisition Cost | How much it costs to get a new customer. |
| CPA | Cost Per Acquisition | What you pay to get one sale or lead from ads. |
| CPC | Cost Per Click | Cost each time someone clicks your ad. |
| CPM | Cost Per Mil (Thousand) | What you pay to show your ad 1,000 times (impressions). |
| CRM | Customer Relationship Management | A system to track and manage your customers & contacts. |
| CTA | Call To Action | A prompt like “Buy Now” that encourages to take action. |
| CTR | Click Through Rate | The % of people who saw your ad or link and clicked it. |
| DTC | Direct To Consumer | You sell straight to customers without going through stores, middle-men, resellers, or third parties. |
| KPI | Key Performance Indicator | A key number that shows how well your business or campaign is doing. In short, any “metric” that’s important. |
| MRR | Monthly Recurring Revenue | Total sales figures for one month of subscriptions. |
| PPC | Pay Per Click | You only pay for ads when someone clicks on them. |
| ROAS | Return On Ad Spend | How much you earn for every dollar spent on advertising. |
| ROI | Return On Investment | The profit you get compared to what you spent. |
| SEM | Search Engine Marketing | Trying to show up in Google or other search engines. Usually the term SEM implies a paid strategy, such as Pay Per Click ads. |
| SEO | Search Engine Optimization | Making your website show up higher in search results—without paying for ads. |
| TAM | Total Available Market | The total number of people who could buy what you offer. |