There's a line in the image above. A thin straight horizontal line. What do you think that line does? You may see a line dividing the space into two halves; one below and one above. A line that marks a threshold or an edge between two areas. So, you can discern what's on one side and the other.

## #1412 - a line

## #1412 - a line

## #1412 - a line

There's a line in the image above. A thin straight horizontal line. What do you think that line does? You may see a line dividing the space into two halves; one below and one above. A line that marks a threshold or an edge between two areas. So, you can discern what's on one side and the other.