System analysis is a process to study the various details of the issue to what must be done by finding the needs, wants, or whether you want to get more into the system.
The system is simple knock on the process used to study the details of the issues. What needs to be done by seeking to have that need. Or want something more into the system.
Analyzing the system is used to study the details of the process problems. What to do by the need to get that need. Or want something more into the system.