---
title: The Three Reals | one to ONE Holdings
description: The Three Reals: Go to the actual place, see the actual thing, and grasp the real facts to solve problems and improve processes—a philosophy in lean manufacturing
image: https://www.o2oh.com/hubfs/o2Oh_18mm.jpg
---

Perfecting imperfections with one to ONE

# Glossary

### GLOSSARYTerms A-Z

- [Glossary](https://www.o2oh.com/glossary)
- [ALL](https://www.o2oh.com/glossary?val=all)
- [A～G](https://www.o2oh.com/glossary?val=a_g)
- [H～N](https://www.o2oh.com/glossary?val=h_n)
- [O～U](https://www.o2oh.com/glossary?val=o_u)
- [V～Z](https://www.o2oh.com/glossary?val=v_z)
- [Numbers ・ Symbols](https://www.o2oh.com/glossary?val=0_9)

# The Three Reals

The Three Reals, or (*San-gen Shugi* in Japanese), is a profound yet simple philosophy.  It’s a core principle of lean management that requires going to the actual place (Genba), seeing the actual thing (Genbutsu), and understanding the actual facts (Genjitsu).

Its global influence stems from its powerful simplicity. In a world of digital data and remote management, The Three Reals provides a vital counterbalance. It reminds us that no amount of data can replace firsthand observation. This hands-on approach to problem-solving is a universal practice that cuts through assumptions, enabling true root-cause analysis and continuous improvement.

### RELATED WORDS

---

- [Total Cost of Ownership (TCO)](https://www.o2oh.com/glossary/total-cost-of-ownership-tco)
- [Talent Retention](https://www.o2oh.com/glossary/talent-retention)
- [Tube Mill](https://www.o2oh.com/glossary/tube-mill)
- [Tuyere](https://www.o2oh.com/glossary/tuyere)
- [Tundish](https://www.o2oh.com/glossary/tundish)
- [Tap-to-Tap Time](https://www.o2oh.com/glossary/tap-to-tap-time)
- [Transferable Skills](https://www.o2oh.com/glossary/transferable-skills)

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