Lessons learned about Bus Factor (Part 3/5): Write explicit code

Writing explicit, self-documenting code reduces bus factor by making codebases accessible to newcomers. Through a PHP refactoring example, the article demonstrates key improvements: using descriptive names for classes and methods, separating responsibilities, eliminating confusing conditionals with early returns, extracting magic numbers into named constants, and using type-safe value objects like Money for domain concepts. These practices help developers understand code intent without extensive documentation or team knowledge.