In the blocksworld domain visualization, each object is represented by a specific geometric shape, color, and size to convey its properties and status clearly:

- **Shapes**: 
  - Rectangles represent blocks. The size of the rectangles is uniform to indicate that all blocks are of medium size.
  - A large rectangle at the bottom represents the table, signifying its role as the base supporting other blocks.
  - An oval shape represents the hand, indicating its ability to pick up and manipulate blocks.

- **Colors**:
  - Green is used for blocks that are "clear," meaning there are no blocks stacked on top of them.
  - Red is used for blocks that "support" another block, indicating they have another block stacked on them.
  - Blue is used for the table, distinguishing it from the blocks and highlighting its function as the foundational support.
  - Gray is used for the hand to signify its status as "empty" or ready to hold a block.

- **Legend**:
  - A legend is included to map each color to its corresponding status, ensuring clarity for the viewer.

- **Text Labels**:
  - Each block and the hand have text labels inside their shapes, providing their identifier and status. This ensures that viewers can quickly identify each object and understand its current state.

- **Relative Locations**:
  - Blocks on the table are positioned directly on the large rectangle representing the table.
  - Blocks that are stacked are placed directly above the block they are on.
  - The hand is positioned above all blocks to signify its readiness to interact with them.

- **Sizes**:
  - The uniform size of block rectangles emphasizes their equality in size, while the larger size of the table rectangle indicates it can support multiple blocks.
  - The small size of the hand (oval) highlights its role as a manipulator rather than a supporter.

This visualization approach ensures that the diagram is intuitive, with each visual element providing meaningful information about the blocksworld domain's initial state.