This is what I see now when I haven’t typed anything

Problem
In the above example, I have an instance NSTask. Since I am new to Cocoa, I do not have all the messages remembered. If I look at the link of the NSTask class, I see the following:

Question
, , , , - NSTask NSObject. , , , , Xcode . , , . NSTask "launchTaskWithLaunchPath" . [NSTask ESC, , , , .
, ?