Final answer:
The designs or motifs found on the walls of the Great Enclosure in the Great Zimbabwe include herringbone and dentelle designs, vertical grooves, and an elaborate chevron design.
Step-by-step explanation:
The designs or motifs found on the walls of the Great Enclosure in the Great Zimbabwe include:
- Herringbone and dentelle designs
- Vertical grooves
- An elaborate chevron design
Therefore, the correct answer is 4) All of the above. These designs can be seen on the walls of the Great Enclosure, which is a massive elliptical building with drystone walls. The Great Enclosure is believed to have been a royal residence and the tower within it served as a granary.