• give the green light - to give permission for someone to do something or for something to happen;
• shed light on - to clarify something;
• run a red light - to pass through an intersection having a red traffic light without stopping.
I'm sure you'll use them in different situations.
1) Make light of - to treat something as if it were unimportant or not serious.
2) Come to light - to become known or to be discovered.
3) Bring to light - to present or reveal someone or something to the public.
Bring to light-At one time the truth comes out.
In a good light-to have a good disposition
Come to light-to discover something that you didn`t know,but you try more time to reach at a final