What Is SOLID, and Why Does It Matter for Your Business?

SOLID, in Plain Terms

SOLID stands for five object-oriented design principles: Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion. Following SOLID noticeably improves a codebase's testability, readability, and long-term maintainability.

What This Means for Your Business

Open/Closed means code should be open for extension but closed for modification. A non-technical founder doesn't need to master the technical details of SOLID, but knowing these few points helps you make more informed decisions when talking to your technical team.