MVP - Minimum Viable Product 
A minimum viable product, or MVP, is a product with enough features to attract early-adopter customers and validate a product idea early in the product development cycle. 

MRR - Monthly Recurring Revenue
Monthly recurring revenue (MRR) is a calculation of revenue generation by month.

TAM - Total Addressable Market 
Total Addressable Market (TAM) refers to the maximum size of the opportunity for a particular product or solution.

LTV - Life Time Value
Lifetime value (LTV) estimates how much revenue a customer represents a business over the life of that relationship.

PMF - Product Market Fit
PMF was developed by the popular American investor, Marc Andreesen. It describes a scenario in which a company’s target customers are buying, using, and telling others about the company’s product in numbers large enough to sustain that product’s growth and profitability.

CAC - Customer Acquisition Cost
Customer Acquisition Cost, or CAC, measures how much an organization spends to acquire new customers.

KPI - Key Performance Indicator 
Key performance indicators, or KPIs, are quantitative metrics that organizations use to track and analyze performance or progress toward business objectives.

PRD - Product Requirements Document
A product requirements document (PRD) is an artifact used in the product development process to communicate what capabilities must be included in a product release to the development and testing teams. 

PLG - Product Led Growth
Product-led growth is a business strategy in which a company uses its product as the main tool to acquire customers. With this model, a business offers users free access to its product with the expectation that the product itself will persuade them to become paying customers.