In brief
Vertical stone monuments are part of a wider archaeological environment.
Useful to know
Aksum in Ethiopia preserves monolithic obelisks, stelae, royal tombs, and the remains of a palace environment. They bear witness to the ancient Axum center and its political significance. [1]
The monolithic monument is shaped by a single stone block; this is a different construction approach than a walled tower. When viewed, compare the silhouette, surface treatment, and relationship to burial sites. Do not take any vertical stone form as a carrier column. The purpose and context are just as important to the architectural description as the height or decoration.
Sources
For further detail and to check the information: