https://www.dofactory.com/net/design-patterns Design patterns are reusable solutions to common software design problems that you encounter in application development. They represent best practices refined through years of…

S.O.L.I.D is an acronym for the first five object-oriented design(OOD) principles by Robert C. Martin. https://scotch.io/bar-talk/s-o-l-i-d-the-first-five-principles-of-object-oriented-design