“I know.”
“I should know where everything is.”
His son sat beside him.
“Would you say that to someone using a building you’d designed?”
Karl frowned.
“What?”
“If they had trouble finding a door, would you tell them they should already know where it is?”
“Of course not.”
“What would you do?”
Karl stared at the floor.
Then he sighed.
“Improve the design.”
Matthias nodded.
“That’s what we’re trying to do.”
Karl did not answer.
But he stopped arguing about the signs.
At least for that week.
The idea of the chalk began with Emma’s school project.
Her teacher had asked the children to make a simple map showing a route through a familiar place.
Emma chose the journey from her bedroom to Karl’s study.
She drew the staircase, the long corridor, the bathroom door, and the small landing window.
Then she marked the route with a thick red line.
Karl examined it after school.
“Very good.”
Emma pointed to the line.
“That’s how you get from my room to yours.”
He studied the drawing.
“You’ve included the important turns.”
“And the window.”
“Excellent landmark.”
She smiled.
Her teacher had given her a small box of coloured chalk to use on the blackboard during an activity.
Emma placed it on the desk.
“Can you draw roads with these?”
“Certainly.”
“On the floor?”
Karl looked at the chalk.
“Depends on the floor.”
“Outside?”
“Yes.”
She brightened.
“Can we draw a road in the garden?”
It had been raining all week.
Karl suggested the covered patio instead.
Anna permitted them to use the stone surface, provided they cleaned it afterwards.
For nearly an hour, grandfather and granddaughter drew an imaginary town.
Emma made houses, trees, and a school.
Karl drew roads between them.
He added a small bridge over a blue chalk river.
Emma insisted that the bridge needed railings so her toy animals would not fall.
Karl agreed.
When they finished, she moved a wooden rabbit along the white line from the school to the house.
“See? He knows where to go.”
Karl watched her.
The rabbit followed the line around a corner, over the bridge, and back to the little red house.
Emma looked up.
“Your turn.”
Karl took another toy figure.
He moved it slowly along the route.
For a moment, the simple certainty of the line gave him an unexpected sense of relief.
There were no street names to remember.
No decisions about which door came next.
The path was visible.
He placed the figure beside the house.
“There,” he said.
Emma clapped.
“Home!”
Karl smiled.
He did not explain why the game had affected him.
But that evening, after everyone went to bed, he returned to the patio and examined the chalk drawing.
The white lines were already beginning to fade.
He crouched carefully, touched one with his finger, and watched the powder collect against his skin.
He thought about the confusion he had experienced in the hallway.
Then he went inside.
The first chalk line appeared on a Tuesday night.
It began outside Karl’s bedroom and extended a short distance into the corridor.
Matthias discovered it the following morning.
He assumed Emma had been playing.
“Emma, did you draw on the floor?”
She looked confused.
“No.”
“Are you sure?”
She came into the hallway.
A thin white line ran across the dark wooden boards.
Emma crouched beside it.
“That’s chalk.”
“I can see that.”
She followed it with her finger.
“It goes to Grandpa’s room.”
Matthias sighed.
He had spent the previous summer having the hallway floor refinished. The dark oak boards had been carefully sanded and sealed, and he was protective of them.
“Please don’t draw on the floor, sweetheart.”
“I didn’t.”
Anna came upstairs.
“What’s happened?”
Matthias pointed.
“Someone’s been drawing with chalk.”
Emma stood.
“It wasn’t me.”
Anna looked at her.
“All right.”
Karl appeared in his doorway.
He was wearing slippers and an old cardigan.
“What are we looking at?”
Matthias pointed to the line.
“Dad, did you see anyone drawing out here?”
Karl looked down.
For a moment, his expression changed.
Then he shrugged.
“No.”
Matthias sighed again.
“Well, somebody did.”
Anna fetched a damp cloth.
The chalk wiped away easily.
Matthias returned to work.
Emma followed Karl into his study.
She glanced back at the clean floor.
“Grandpa?”
“Yes?”
“Did you draw the line?”
Karl was arranging pencils on his desk.
He stopped.
“Why do you ask?”
“Because it went to your room.”
He looked at her.
She was not accusing him.
She was curious.
Karl sat down.
“Perhaps I did.”
Emma climbed into the chair opposite.
“Why?”
He looked toward the door.
Then he said, “Sometimes I wake up, and the house doesn’t look the way I remember.”
Emma frowned.
“But it’s the same house.”
“Yes.”
“Then why?”
Karl searched for an explanation.
He thought about maps, buildings, and the white chalk roads they had drawn together.
“It’s a little like being in fog,” he said.
Emma listened.
“You know the street is there, but you can’t see where it goes.”
“Like when we drove to the mountains?”
“Exactly.”
She remembered the fog from a family trip. Trees had appeared suddenly beside the road, and Matthias had driven slowly because the landscape beyond the headlights seemed to disappear.
“Is there fog in your bedroom?”
Karl smiled faintly.
“Not real fog.”
She considered this.
“Can you still see me?”
He looked at her.
“Of course.”
“Always?”
Karl hesitated.
He had learned not to make promises about things he could no longer control.
“I can see you now.”
