Neck and head/hair area....
You touch her waist
If kissing is ALL What they do than: NO
No you cannot get pregnant by kissing a boy. But just know that kissing a boy can lead to doing other things. If you are not ready to have a baby, I would hold off on kissing boys.
They don't have to but they can. Kissing with tongues touching is referred to as French kissing.
If the boy wants to kiss you, it doesn't matter how good you are at kissing, he cares about kissing you. better learn how. because if you can't kiss, your screwed.
By kissing her
The word "kissing kings" already says it all. It just really means that boy can kiss really good then any other boy combine kissing+king=a boy who knows how to kiss well when kissing to girls. Edit: Unless the question is referring to card decks, in which case it means the two kings in the middle that touch each other in new deck order
When both of your toungues touch when kissing.
By kissing
No
No, kissing doesn't automatically mean your dating.
When both of your toungues touch when kissing.