: Regarded as the "Ib" (soul), the heart was believed to hold memory and personality. In the afterlife, it was weighed against a feather to determine a person's worthiness.
The transition from a biological concept to a stylized icon follows several theories: heart symbol
: In medical contexts, a heart symbol—often accompanied by a "pulse" line—represents cardiovascular health and healthy lifestyle choices. Creating the Symbol (Digital & Physical) Awareness and use of the Heart Symbol by Finnish consumers : Regarded as the "Ib" (soul), the heart