She walked through the door
The train went through the tunnel
He looked through the window
They drove through the city
The river flows through the valley
Did you get the email about the meeting?
Yes, I read it. I'll be there, going through it now.
Great! I'll see you then.
She walked through the forest, enjoying the sunlight
She walked across the forest, enjoying the sunlight
The sunlight filtered as she went across the forest