When something is created.
- Shall I make dinner?
- They made a big mess!
With many fixed expressions
- Make the bed
- Make money
- Make a name for yourself
- Make a mistake
- Make an effort
- Make trouble
Compared to Do, Make is often to 'create', while Do is often to 'complete'.
- Teachers make homework for students to do.
- Let's make a list of things to do!
- Please make a decision about what you want to do with your life!