Combinator
Adjacent Sibling Selector
+ Selector for Sibling Element; E1 + E2 {} where E2 is selector target
General Sibling Selector
~ Selector less strict Adjacent Sibling Selector; E1 ~ E2 {} where E2 is selector target
Child Selector
\> Selector for direct Child Element
Descendent Selector
Selector for Descendant Element (rel to other Element)