Y donde queda eso means "and where is that located" !
"Where does it stay?"
Where did you learn that
donde esta eso
"¿Dónde es eso?" translates to "Where is that?" in English.
"adonde" means "to where".
no se donde carajo esta por eso lo busco
Literally it means "to this where?". It is slang for "Where does this go?" either referring to an item's proper location or a path that disappears in the distance.
"¿Qué significa eso?" It literally means, "What does that mean?"
Pero qué eso? = But what is that?
Que es eso means 'what is that'.
Quiere decir eso. Literally "I want to say that." Translated as "I mean that."