Magic

APL functions work on lists:

      3 2 1 × 2 4 6
6 8 6

      'λ' (4.5 2.2) 'string' = 'r'
┌─┬───┬───────────┐
│0│0 0│0 0 1 0 0 0│
└─┴───┴───────────┘

Stranding binds more tightly than function application.