The definition of terrorism has to be more precise, so that we are able to discriminate between, for example, what it is that the Palestinians are doing to fight the Israeli military occupation and terrorism of the sort that resulted in the World Trade Center bombing.
In Re-framing, you interpret the event in a positive way. You change your language. Instead if defining it as a problem you re-frame it as a situation. A problem is something that is upsetting and stressful. A situation is something that you simply deal with.