What does the term "panromantic" mean?

Someone who is pan-romantic is romantically attracted to people of all gender identities. This is not to say that they are attracted to all people, but one's gender does not affect romantic attraction.

Is it the same as the term "pansexual"?

Not! Pansexual refers to sexual attraction, while panromantic refers to romantic attraction.

Why is there a difference in sexual attraction - romantic attraction?

Yes. Have you ever felt sexually attracted to someone but not necessarily wanted to build a relationship with her? Many people may want to have a sexual experience with someone without the need to be connected. So, you may want to meet someone without having to have sex, because sexual and romantic attraction are not the same thing.

By what other earthquakes can we describe romantic attraction?

Aromatic: Experience little or no romantic attraction, regardless of gender.
Biromantic: You are romantically attracted to people of both or many genders.
Griromantic: You rarely experience romantic attraction.
Heteromantic: You are romantically attracted to people of different sexes than you.
Homoromantic: The opposite of heteromantic.
Polyromantic: You have romantic attraction to people of many genders.

Source: Healthline