- GTD – make the damn thing work. LG of quality, code smell, maintainability etc
- KPI – boss’s assessment often uses productivity as the most important underlying KPI, though they won’t say it.
- productivity – GTD level as measured by __manager__, at a higher level than “effi”
- effi – a low level measurement than “Productivity”
- zbs – real, core strength (内功) of the tech foundation for GTD