The abbreviations RFi, RFq and RFp refer to common documents in the initial phases of the purchasing process, necessary to generate traceability and transparency, also called RFx in general. RFi (Request for information) is a document whose purpose is to collect information from different providers, RFq (Request for Quotation) is a document whose objective is to request a quote from different providers and RFp (Request for Proposal) is a document whose purpose is to receive proposals from different suppliers for a specific need or demand.