Choose 매장 if you're eating in the restaurant. Use 포장 ffor take out. Most restaurants use kiosks to order. The button to choose between eating in or taking out will appear first, so be careful not to make a mistake.
It means "Would you like to have your meal?" This is a phrase that you will often hear from staff when ordering at a cafe.
If you want to drink it inside, answer 네 (ne, yes). If you want to take it home, answer 아니요 (aniyo, no).
It means, "Please give me the bill".
It means, "I'll pay in cash or card". Korea is a card-based society, so most stores accept card payments.
However, you can also pay by cash, so try using this phrase when paying.
It means, "Please give me a receipt". If you don't ask for a receipt, you may not be given one, so be sure to use this phrase when you need a receipt.
This means, "Do you need a bag?"
You may be asked by the store clerk when paying. Plastic bags are charged for in Korea.
If you need one, answer 네 (ne, yes).
If you don't need it, answer 아니요 (aniyo, no) or 필요 없어요 (pilyo obseoyo, I don't need one).