This is the 4th most frequent Vietnamese word.
với
"Với" means "with" or "to" in English, depending on context.
In this sentence, 'với' means 'with' and indicates companionship in the action of going to the park.
Tôi đi đến công viên với bạn của tôi.
I go to the park with my friend.
In this sentence, 'với' is used to describe the means or the medium involved—in this case, working in conjunction with the computer.
Khi làm việc với máy tính, hãy chú ý bảo vệ mắt.
When working with a computer, take care to protect your eyes.
Here, 'với' implies the idea of accompaniment and cooperation, stating that solving the issue requires time to work together.