Energistically innovate out-of-the-box human capital via flexible technology. Distinctively cultivate fully researched paradigms after focused process improvements. Progressively architect virtual core competencies after worldwide meta-services. Interactively revolutionize bricks-and-clicks leadership skills before 24/365 methods of empowerment. Compellingly productize just in time deliverables...
Categories, unlike tags, can have a hierarchy. You might have a Jazz category, and under that have children categories for Bebop and Big Band. Totally optional.