# Documentation Guidelines ## Language The primary documentation language is German. An English version will be maintained as a translation of the German master document. ## UI terminology All user interface terms remain in English. Examples: - Direct Calculation - Extrapolation - Roll Diameter - Product Length - Capacity Summary - Capacity Analysis - Governing Constraint Do not translate UI labels. ## Style - Technical user manual - Workflow-oriented - Explain why, not only how - Engineering language - No marketing language ## Workflow 1. Write German chapter. 2. Technical review. 3. Add screenshots. 4. Approve. 5. Translate to English.