ILC 1 expanded class ak

      ak    ordered sets 

1  [t1]	at time, sequential position  « ak
ak	ordered sets, n-uples, ordered algebraic structures  [order theory]
ak4  [V]	of members
ak8  [V]	of
akU  [:]	sequencial deictics
akUa	the first one
akUe	the previous one
akUl	the last one
akUn	the next one
akUw	the following one
akUy	the last one
akp	posets, partially ordered sets
akpl	lattices

or

Facets key
0  under aspect      
1  at time           
2  in place          
3  through process   
4  made of element   
5  with organ        
6  from origin       
7  to destination    
8  like pattern      
9  of kind