Agile is an iterative approach to project management and software development that emphasizes flexibility, collaboration, and customer value delivery through incremental progress. Scrum is the most popular Agile framework, defining specific roles, events (ceremonies), and artifacts that structure how teams work together. Understanding Scrum means recognizing that it's built on empiricism—making decisions based on observation and experimentation—and that every element serves to create transparency, enable inspection, and drive adaptation. The framework intentionally stays lightweight to allow teams to discover what works in their unique context.