namespace

• ns
• use

(def bar 4)
 
(defn zeros []
  (lazy-seq
    (cons 0 (zeroes))))

(clojure.core/refer 'foo)

(clojure.core/refer 'foo :rename {alice bob carol david})

(clojure.core/import java.util.Date)

(clojure.core/alias 'super 'supercalifragilisticexpialadocious)
(super/foo) ; same as (supercalifragilisticexpialadocious/foo)