Dic: about (purpose, involvement, problem)

some usages of proposition 'about' which mean: what the purpose is, what something involves, what the problem is...

• Leadership is about the ability to implement change. 
• Rachel was going to do something about Jacob.
• She is about her business.
• If we don't do something about it, the problem is going to get worse.
• What can be done about the rising levels of pollution?
• Leadership is all about getting your team to co-operate.
• Movies are all about making money these days.
• What was all that about? (= what was the reason for what has just happened?)

* * *

When you mention the things that an activity or institution is about, you are saying what it involves or what its aims are.

If you do something about a problem, you take action in order to solve it.

active in or engaged in.

to do something about something: to do something to solve a problem or stop a bad situation

If an organization, a job, an activity etc is about something, that is its basic purpose.

used to describe the purpose or an aspect of something.

.... Cobuild, Collins, LDOCE, OALD