Meta infos and tutorials

 Metasploit Terms
Exploit – to take advantage of a security flaw within a system, network, or application.
Payload - is code that our victim computer to execute by the metasploit framework.
Module - a small piece of code that can be added to the metasploit framework to execute an attack.
Shellcode – a small piece of code used as a payload.for more infos and tutorial click  HERE