The "heart on fire" emoji ❤️‍�� features a classic red heart ❤️ with a vibrant flame 🔥 erupting from its top, symbolizing burning love or desire. It’s often used to express intense feelings of love, lust, or a profound passion for something or someone.

The fire emoji is a flame that is mostly yellow with a little red on the top. It is used to signify that something is cool, awesome, exciting, or more colloquially, “on fire.” It can also convey that someone is sexy, (i.e., hot), or refer to other various metaphorical fires.

The ❤️‍🔥 emoji is a combination of two emoji: the red heart and the flame. It is an emoji interlace, where two or more emoji are combined to create a new meaning. In this case, the heart is surrounded by or associated with fire.

The fire emoji �� is represented by an image of a bright, orange, yellow and red flame which seems to be burning or blazing. It's similar to the vibrant flames on a campfire or in a fireplace. This emoji is well recognized as a symbol of fire itself.

Depicting a reddish-yellow flame, �� Fire is used to convey, beyond literal fires, a range of figurative expressions connected to fire. This includes senses of "excellent" (lit), "attractive" (hot), "scathing or searing" (sick burn), or "performing exceptionally well" (on fire), among other senses.