Psalm 80 is just like a really special song that someone wrote a long time ago. It is special because they wrote it to talk or pray to God.
They were asking God to please help them because things were tough. They compared themselves to a vineyard, which is a place where grapes grow. Just like how a vineyard needs to be taken care of by the person who owns it, people need God to take care of them too.
The person who wrote this song was feeling very sad because their country was not doing well. They asked God to please help them and make things better. They wanted to feel safe and happy again.
They also talk about a man named Joseph whom God helped a long time ago. They wanted God to help their country like He helped Joseph.
This song is good for people to sing or read when they need help and want to talk to God. It shows that even when things are hard, people can always ask God for help and feel better.