Meanings of rectangular plots in English

A grid with rows divided into rectangular plots, some with numbers, some with names.

In the lobby of the hotel the large window walls were slanting great rectangular plots of light across the floor.

In a grove of trees near the commune's main buildings are two large rectangular plots, their borders edged with plants.

As the water recedes, migratory salt farmers begin setting up rectangular plots to begin harvesting the salt crystals left behind by the evaporating water.