All processes should flow from top to bottom and left to right.
When reading lines of text, people do not read individual letters left to right.
Almost always the direction of the writing is left to right.
Then you read the row below it left to right.
It was flowing west, left to right in front of him.
It ran left to right in front of them, more or less straight.
One place at a time is handled, left to right.
The direction of writing: left to right in horizontal lines.
Wrote it, for the benefit of my sisters, left to right.
The keys are arranged from low to high, left to right.