They imply love to whom they write to. Especially in poems, as every word is selected purposely for a reason. And those words usually have positive connotations for the subject.
Hope this helps.
It's actually the third one that's correct UWU
Beowulf goes to Hrothgar's kingdom to try and defeat the monster.
When the two comets collided, it was a moment of impact.
The students had a moment of impact in the hallway when they ran into each other.