Help me apply Self-explanation & teach-back to the material below. Reader and existing knowledge: [describe] Task and desired outcome: [describe] Use these principles: Explain a step without merely repeating its wording.; Connect the step to a principle or prior fact.; Check the explanation, correct it, and try a new case.. Preserve source facts, identifiers, quantities, conditions, exceptions, and uncertainty. Separate supplied facts from assumptions. Ask for missing information instead of inventing it. Explain your representation choices and provide a review checklist. Do not claim formal compliance or correctness from formatting alone. Material: [paste only information you are permitted to share]