Architecture, Paradigmas, Design Patterns, Principles, Clean Code

Architecture: description of system (structure, relationships, collaboration)
Programming Paradigmas: imperative, functional, object-oriented
Design Pattern: usually parts of the systems; generic solution design for a problem; an architecture uses many design patterns
Programming Principles: SOLID, Law of Demeter, etc.; generic best practices
Clean Code: lowest level, actual source code; e.g. code formatting, lines per functions;