Das ist = That is.
"That is not" is "das ist nicht" in English.
"ist das dein" basically means "is this yours"
Ja, das ist urkomisch = yes, that is hilarious/hysterical
"Das ist gut" means "This (or it) is good." in English. It's basically said to show approval of something, or agreement.
"Was ist das?" = "What is that/it?"
"Vas is das" is not a correct phrase in any language. It may be a mix of German and English, where "was ist das" in German means "what is that" in English.
Was ist das = what ist that
das ist is the translation in German. It is translated from English to German. German is mostly spoken in the European countries.
das ist literally translates to 'that is' you woudl not use it on its own but in a sentance. i.e. Das ist super! That ist super! or Das ist mein hund. That is my dog
Translated from the German, it means "how much is that?", implying usually, "how much does that cost?"
Was ist das was created in 2006.