23 | | Like in a car, to plug the piece A with piece B it needs to maintain a compatibility, for that, every application needs to have a header data of how it works (data asked, data returned, options, etc) and a version number. |
| 23 | Like in a car, to plug the piece A with piece B it needs to maintain a compatibility, for that, every application needs to have a header data of how it works (data asked, data returned, options, etc) and a version number. Think about it like individual programs that understand if they are compatible with eachother. |