What does practical?

Answer 1

1. of or pertaining to practice or action: practical mathematics. 2. consisting of, involving, or resulting from practice or action: a practical application of a rule. 3. of, pertaining to, or concerned with ordinary activities, business, or work: practical affairs. 4. adapted or designed for actual use; useful: practical instructions. 5. engaged or experienced in actual practice or work: a practical politician. 6. inclined toward or fitted for actual work or useful activities: a practical person. 7. mindful of the results, usefulness, advantages or disadvantages, etc., of action or procedure. 8. matter-of-fact; prosaic. 9. being such in practice or effect; virtual: a practical certainty. 10. Theater.
what is the functional organisation or practical