     Digital - Digital/downloadable product. Includes external file storage and signed download link generation at purchase. Pro-only feature (requires Agency Pulse Portal API client). Traditional - Physical product or service. Normal invoice line item. Digital - Digital/downloadable product. Includes external file storage and signed download link generation at purchase. Pro-only feature (requires Agency Pulse Portal API client). Price - Numeric input for product price in base currency. Decimal values supported (step 0.01). Cannot be empty if product added to invoices. Product Description (Displayed on Invoice) - Text area with custom description shown on generated invoices. Separate from WordPress post content for invoice-specific messaging. Tax Rates - Checkboxes for all available tax