The phrase "heart symbol" refers to the icon or image that looks like a red or pink heart. It is often used to represent love, affection, or to express positive emotions. Full definition
Engraved in an elegant and understated script font, you can showcase any name or word of your choosing on this beautifully crafted heart symbol on a rolo style chain. (onecklace.com)
These are depicted by the fist, shield, shuriken, and heart symbol in the image below. (animegamesonline.com)
Hand STAMPED Cuff Bracelet - 1/4» Wide ALUMINUM Copper Gold CUSTOM Personalized Adjustable Stackable Cuff Bangle Message Date Heart Symbol (etsy.com)