| involved | service provider | principal / customer | 
| minimum requirement | to sign | rights | 
| duties | customer services | occasional deviation | 
| escalation | to prioritise | to postpone | 
| abundant | to order | order | 
| payment | delivery | contract | 
| invoice | complaint | shipment | 
| offer / quotation | to have in stock | enquiry | 
| terms of delivery | terms of payment | unexpected activities / unexpected tasks | 
| preconditions | responsibilities | agreed in writing | 
| the work to be completed | 
| opdrachtgever | dienstverlener | betrokken | 
| rechten | ondertekenen | minimum eis | 
| incidentele afwijking | dienstverlening | plichten | 
| uitstellen | prioriteiten stellen | escalatie | 
| bestelling | bestellen | overvloedig / in overvloed | 
| contract | bezorging | betaling | 
| zending | klacht | factuur | 
| onderzoek / navraag | in voorraad hebben | offerte | 
| onverwachte werkzaamheden | betalingsvoorwaarden | leveringsvoorwaarden | 
| schriftelijk overeengekomen | aansprakelijkheid | randvoorwaarden | 
| te verrichten werkzaamheden |