              STRUCTURES: box Fa
   text
 i sing of olaf glad and big
   |. text
gib dna dalg falo fo gnis i 
   < 'glad'
+----+
|glad|
+----+
   u=. (<'glad'),(<'and'),<'big'
   u
+----+---+---+
|glad|and|big|
+----+---+---+
   |. u
+---+---+----+
|big|and|glad|
+---+---+----+
   # u
3
   'glad';'and';'big'
+----+---+---+
|glad|and|big|
+----+---+---+
