We use 'decide' when we pick one thing after thinking. It means to make a choice or answer from options.
I decide to eat pizza for dinner.
She decides what to wear today.
'Decide' can mean to stop a fight or argument. Someone gives a final answer to the problem.
The judge decides who is right.
They decide the problem quickly.
'Decide' can also mean to choose something fast or suddenly, without much thinking.
He decides fast in hard situations.
She decides quickly on the phone.
'Decide' means when a court or person in power gives an official answer to a legal problem.
The court decides the case today.
The judge decides the final sentence.
'Decide' can mean to control or affect the result of a situation or event.
The weather decides our plans.
This fact decides the final result.
