'Than' can show a difference in number, amount, or degree. It helps compare quantities or sizes between two things.
More people came than last year.
This car costs less than that one.
'Than' can show what someone chooses or prefers. It is like saying 'instead of'. It helps to talk about choices and preferences.
I will walk than take the bus.
He stayed home than go out.
In some expressions, 'than' shows an exception or a special case after negatives. It means 'except that' or 'other than'.
I don’t think anyone else than you can help.
She doesn't want any food than soup.
'Than' is used in math and logic to show one number or value is bigger or smaller than another. It helps describe inequalities clearly.
x is greater than 5.
5 is less than 10.
Sometimes 'than' is used after verbs or adjectives to show something is different from what was expected. It marks a comparison with an idea or thought.
He’s smarter than I thought.
This book is better than expected.