Joke Collection Website - Talk about mood - Who is the expert? What is EDI ALE BAPI RFC IDOC's relationship with others? Thank you in advance

Who is the expert? What is EDI ALE BAPI RFC IDOC's relationship with others? Thank you in advance

It's all about the interface. The idoc file of sap replaces the role of edi file. Ale is a way of communication. Bapi, a function, sap provides many rfcs for the processing of main business processes, and a function called by external programs.