read this thread,
http://www.onrpg.com/boards/maple-st...ighlight=macro
This should give you a breif example about macros, Watch how they said..
"Macros give a slight advantage, and thats cheating, other words, hacking."
Macros ARE hacks..
Auto Clicking, Auto mining, Auto fishing, Auto killing and whatever, those are called bots, and they are made by macros, bots are hacks no matter what purpose they serve.