This are extensions!!

Jon
25

Fred
The other Fred.


Hello Jon





No Harry? Hey Calahan...



Hello Fred





Hello Fred#2





Hello Jon, 25 years


Hello Henry, 27 years



Salut Amed, 24 ans



Jon: /25/25

Henry: /27/

Amed: 24/24/24



Jon: /25/25

Henry: /27/

Amed: 24/24/24



 (1) person: { "name": "Jon", "age": 25 }
   
     (2) name: Jon
     
   
     (2) age: 25
     
   

 (1) person.name: Fred
   

 (1) person.name=Fred: The other Fred.
   

 (1) persons: [ { "name": "Jon", "age": 25, "lang": "en" }, { "name": "Henry", "age": 27, "lang": "en" }, { "name": "Amed", "age": 24, "lang": "fr" } ]
   

 (1) fellows: { "Jon": { "age": 25, "lang": "en" }, "Henry": { "age": 27, "lang": "en" }, "Amed": { "age": 24, "lang": "fr" } }
   
     (2) Jon: { "age": 25, "lang": "en" }
     
       (3) age: 25
     
       (3) lang: en
     
   
     (2) Henry: { "age": 27, "lang": "en" }
     
       (3) age: 27
     
       (3) lang: en
     
   
     (2) Amed: { "age": 24, "lang": "fr" }
     
       (3) age: 24
     
       (3) lang: fr