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RACI - A tool used to identify the responsibilities of roles or team members and the activities or deliverables in which they will participate by being responsible (doing the work), accountable (approving the results), consulted (providing input), or informed of the completed item after it has been completed.

RAG, Red Amber Green - Relates to project status reporting which is utilized by project managers to indicate how well a certain project is performing.

RAID logs – Management tool to organise a project by tracking risks, actions, issues and decisions. 

Requirement’s analysis – The process of defining the expectations of the users for an application that is to be built or modified

RFI - A formal elicitation method intended to collect information regarding a vendor’s capabilities or any other information relevant to a potential upcoming procurement.

RFP - A requirements document issued when an organization is seeking a formal proposal from vendors. An RFP typically requires that the proposals be submitted following a specific process and using sealed bids which will be evaluated against a formal evaluation methodology.

ROI - A measure of the profitability of a project or investment.