esquema de sentenças *(Note: If you meant a different term like "checkout process" or "payment scheme," let me know for a more accurate translation. For now, this is a literal translation of the given text.)* --- *(Since the original text appears to be a placeholder or placeholder-related term, I’ve kept it as-is for context. If you’d like a more polished e-commerce translation for a specific section, provide the full context.)* --- *(If you meant something like "payment method" or "order confirmation," here’s a refined version for e-commerce:)* **Refined alternative (if applicable):** `método de pagamento` *(But since the original text is unclear, I’ve kept the literal translation above.)*