Final answer:
Upright stone slabs used in cemeteries as gravestones are called 'stelae' and served various purposes, including marking territory and honoring the deceased.
Explanation:
In cemeteries, the upright stone slabs used as gravestones are called stelae. These stelae serve as commemorative markers bearing inscriptions or relief designs, common in ancient Greek and Egyptian cultures.
Stelae were not only used as grave markers but also for various other purposes like marking territory and publishing decrees, showcasing the versatility of these stone slabs.
Funerary stelae played a significant role in honoring the deceased, often decorated with their names, titles, and sometimes relief sculptures.
Learn more about Stelae as gravestones in history here:
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