What are the different representations shown in the image?

The image displays several different representations:

• A cross-section of a structure with circular elements, possibly a biological cell or a granular material.
• A plant seedling with roots, labeled with numbers 1, 2, 3 at the leaves.
• A dense planting of small plants in rows.
• A stylized graphic symbol that resembles a ligature or a monogram.
• A representation of a sequence of connected units, possibly cells or blocks, with internal patterns.