The people from the house did not understand his work at all.

They had a way with words and could make people understand.

Only a few people understand what really happened to him.

I'm not sure if people really understand how good he is.

Some people probably wouldn't understand, but I thought he would.

I would like people to understand what they did in the past.

Will those people far in the future understand what we did here?

I don't know how many people outside here understand that.

Information is something that people can learn, know about, or understand.

This means he wrote about books to help people understand them.