| Validator | Highest position in the eTendering hierarchy. The Validator is responsible for the nomination of the Procurement Officer. |
| Contracting authority | Entity that publishes a tender and will evaluate the bids |
| Call for Tenders | An invitation for suppliers, through a bidding process, to submit a proposal on goods, works or services. |
| Economic Operator | Supplier who participates in the Call for Tenders process and bids for product delivery or service realisation. |
| Editor | Has limited rights to edit public procurement notices, and view PDF notices on SIMAP. |
| eNotices | On-line tool for preparing public procurement notices and publishing them in the Supplement to the Official Journal of the European Union. |
| Public Area | The Public Area is the extranet part of the eTendering System, accessible to the Economic Operators. |
| Public Area User | The Public Area User is the actor who accesses the public part of the eTendering System. |