| 週 = week  When1 #477835 (A) ... (Z) (a) ... (z) = 52 week names | 
|     the current design assumes the 26 Upper & Lower case letters can be mapped to the 52 weeks in a yeartry using (just the next) 4-8 weeks, then cascade to Month > Quarter > Year > Decade            "just the Next"  periods THEN cascade up = an effective way to balance displayLimitation  
     SelfDrivingCar https://www.bbc.com/news/business-46794948... ^ |