Threshold Markers: Indicate a threshold with material, not a step
Changes in materials/colour and the placement of planters have been used to indicate a change in the threshold of a space without using a level change or step.
Furniture and planters have been used to indicate a change in the threshold of a space without using a level change or step.
An archway and painted lines on the ground help to define the use of a space without a level change or step.