Cetiya, "reminders" or "memorials", are objects and places used by Buddhists to remember Gautama Buddha. According to Damrong Rajanubhab, four kinds are distinguished in the Pāli Canon: "Relic [Dhatu], Memorial [Paribhoga], Teaching [Dhamma], and votive [Udesaka]." Griswold, in contrast, states that three are traditional and the fourth, the Buddha Dhamma, was added later to remind monks that the true memory of Gautama Buddha can be found in his teachings. While these can be broadly called Buddhist symbolism, the emphasis tends to be on a historical connection to the Buddha and not a metaphysical one.
Phra Pathom Chedi, one of the biggest Chedis in Thailand; in Thai, the term Chedi (cetiya) is used interchangeably with the term Stupa
A Buddha footprint, showing the Buddhist wheel and a larger-than-life foot
Buddha's departure from the lay life as depicted at Gandhara in the early second century CE
Śarīra is a generic term referring to Buddhist relics, although in common usage it usually refers to pearl or crystal-like bead-shaped objects that are found among the cremated ashes of Buddhist spiritual masters. Relics of the Buddha after cremation are termed dhātu in the Mahaparinibbana Sutta. Śarīra are held to emanate or incite 'blessings' and 'grace' within the mindstream and experience of those connected to them. Sarira are also believed to ward off evil in the Himalayan Buddhist tradition.
Various śarīra from the Buddha and various students in the collection of the Maitreya Project
Buddha relics from Kanishka the Great's stupa in Peshawar, Pakistan, now in Mandalay, Burma. Teresa Merrigan, 2005
They divided śarīras and carried it to their kingdoms. Illustration by Hokusai
Relics of the Buddha in a temple in Thailand.