 | Key |
| r |
| Rack |
| Radar Chart |
| Radian |
| Radio Frequency Identification Tags (RFID) |
| Random-Access Memory (RAM) |
| Random Cause |
| Randomization |
| Random number generator |
| Random Sample |
| Random Sampling / Sampling at Random |
| Random Variation |
| Range |
| Range Chart (R Chart) |
| Rapid Application Development (RAD) |
| Rapid Data Development (RADD) |
| Raster |
| Rates and Classification Service Center (RCSC) |
| Rate Setting |
| Rating (of information or of a source) |
| Rational Subgroup |
| Reactivation |
| Reactivation Campaign |
| Reactivation Program |
| Readable |
| Readiness Review |
| Read Lock |
| Read Reject |
| Really Simple Syndication (RSS) |
| Real needs |
| Real Time |
| Real-Time Data |
| Real-Time Processing |
| Reasonability tests |
| Rebuts |
| Recall Mail |
| Recency |
| Recency Frequency Monetary Value (RFM) |
| Recipient |
| Recipient line |
| Re-Classification |
| Reconciliation |
| Record |
| Recorded Delivery |
| Record Layout |
| Record Length |
| Record linkage |
| Record Management |
| Record of origin |
| Record of reference |
| Record Retention |
| Recovery |
| Recovery log |
| Recovery Point Objective (RPO) |
| Recovery Time Objective (RTO) |
| Recursive Query |
| Recursive Referential Integrity |
| Recursive relationship |
| Red |
| Red Bead Experiment |
| Redesign |
| Red Rabbit Test |
| Red Run |
| Reduced Inspection |
| Redundancy |
| Redundancy Control |
| Redundant Array of Independent Disks (RAID) |
| Redundant Data |
| Redundant Data Diagram |
| Redundant Data Integrity |
| Red X |
| Reengineering |
| Reference Data |
| Reference Implementation |
| Reference Model |
| Reference Model for Open Distributed Processing (RM-ODP) |
| Reference name |
| Reference Scheme |
| Referential integrity |
| Referential Integrity Constraint |
| Referring Page |
| Refining |
| Reformatting |
| Refresh |
| Refresh Technology |
| Refund |
| Refused Mail |
| Register |
| Register Customer Experience Level (CEL) |
| Registered Mail |
| Registered Supplier |
| Register of Eligibles |
| Register of Geodetic Points |
| Register of Land |
| Registrar |
| Registration |
| Registration List |
| Registration to Standards |
| Registry Model |
| Registry Object |
| Registry Services |
| Regression |
| Regression Analysis |
| Regression Testing |
| Regression Tree |
| Regular-Issue Stamp |
| Regular Stamp Window |
| Regulation (EC) No 45/2001 |
| Regulatory Compliance |
| Regulatory Requirements |
| Rejectable Quality Level (RQL) |
| Rejection Number |
| Relation |
| Relational Data Analysis |
| Relational Database |
| Relational Database Management System (RDBMS) |
| Relational Database Management System (RDBMS) Concurrence |
| Relational Model of Data |
| Relational On-line Analytical Processing (ROLAP) |
| Relationship |
| Relationship Marketing |
| Relative Standard Deviation (RSD) |
| Relay |
| Relay Drop Box |
| Relay Interpreting |
| Relay Route |
| Release |
| Release Management |
| Relevance |
| Relevancy |
| Reliability |
| Reliability (of an infrastructure) |
| Religious name |
| Remediation |
| Remote Authentication Dial-In User Service (RADIUS) |
| Remote Bar Coding |
| Remote Encoding Center |
| Remote Interpretation |
| Remote Language Mediation (RLM) |
| Remote Method Invocation (RMI) |
| Remote Network Monitoring (RMON) |
| Remote Procedure Call (RPC) |
| Remote Sensing |
| Removal |
| Rengi System |
| Rental |
| Repeatability |
| Repeat Mailing |
| Repetition |
| Repetition Rate |
| Replicated Data |
| Replicates |
| Replication |
| Replicator |
| Reporting |
| Reporting Database |
| Reporting Group |
| Reporting Limit |
| Repository |
| Repository Administration |
| Repository Environment |
| Representational State Transfer (REST) |
| Representativeness |
| Reproducibility |
| Reputation |
| Request |
| Requester Publication |
| Request for Change (RFC) / Change Request |
| Request for Comment (RFC) |
| Request for Information (RFI) |
| Request for Proposal (RFP) |
| Requirement |
| Requirements Management |
| Requirements Traceability |
| Research & Technology Development (RTD) |
| Research Development/Demonstration |
| Residential Route |
| Residual |
| Residual Mail |
| Residual Shape Surcharge |
| Residue |
| Residue Case |
| Resolution |
| Resource |
| Resource Bundle |
| Resource Description Framework (RDF) |
| Resource Utilization |
| Respondent |
| Response |
| Response Analysis |
| Response Channel |
| Response Device |
| Response List |
| Response Modelling |
| Response rate |
| Response Surface Method |
| Response time |
| Responsibility |
| Rest Bar |
| Restricted Delivery |
| Restricted Matter |
| Restrictions |
| Restructure |
| Result Measurables |
| Results |
| Retail Analysis Program (RAP) |
| Retail Facility |
| Retailing |
| Retail Site Verification Program (RSVP) |
| Retention Budget |
| Retention Rate |
| Retest |
| Retire |
| Retrace |
| Retro-Virus |
| Return Address |
| Return Card |
| Return Date |
| Return Mail |
| Return of Lists |
| Return on Investment (ROI) |
| Return on Net Assets (RONA) |
| Return Postage Guaranteed |
| Return Receipt |
| Return Receipt for Merchandise |
| Reuse |
| Revenue, Pieces and Weight (RPW) |
| Revenue/Cost Analysis System |
| Revenue Assurance |
| Revenue Forgone Appropriations |
| Revenue Unit |
| Reverse Data Denormalization |
| Reverse Data Modeling |
| Reverse Engineering |
| Reverse Geocoder Service |
| Review |
| Reviewing |
| Rework |
| Rewrap Area |
| Rich Internet Applications (RIA) |
| Rich Site Summary (RSS) |
| Ride-Along |
| Ride Along Program (RAL) |
| Rif |
| Riffle |
| Right of Access |
| Right of Information |
| Right of Rectification |
| Right Outer Join |
| Right Size |
| Right the First Time |
| Right-to-Left Language |
| Right to Object |
| Risk |
| Risk Analysis |
| Risk Assessment |
| Risk-Based Authentication |
| Risk Identification |
| Risk Management |
| Risk Mitigation |
| Robust Design |
| Robustness / Robust |
| Robust Process |
| Rogue Data |
| Rogue Data Usage |
| Role |
| Role Based Access Control (RBAC) |
| Role type |
| Roll |
| Rollback |
| Rolled Throughput Yield (RTY) |
| Roller-canceler |
| Roller table |
| Rolling Forecast |
| Rolling Summary |
| Rollout |
| Roll Up Query |
| Romanization |
| Roman Numerals |
| Root Cause |
| Root Cause Analysis |
| Root Cause Investigation |
| Root Certificate |
| Rootkit |
| Rotary Lock |
| Rotary Sorting Rack |
| Round-Dater Stamp |
| Round-Robin Study |
| Route |
| Route-Sequenced Mail |
| Route Service |
| Routing code |
| Routing Slip |
| Row |
| RSA algorithm |
| R-Square |
| R-Square Adjusted |
| R Tree |
| Ruggedness Study |
| Rule |
| Rules-Based Machine Translation (RBMT) |
| Rule set |
| Run |
| Run Charge |
| Run Chart |
| Runner |
| Running a Query |
| Run Order |
| Run Rate |
| Runs Test |
| Rural Adjustment Processing System (RAPS) |
| Rural Carrier |
| Rural Carrier Associate (RCA) |
| Rural Delivery Service |
| Rural Mailbox |
| Rural Route (RR) |
| Rural Time and Attendance System (RTAPS) |
