In Europe or the USA we have a first name (given name), maybe a middle name, and a surname (family name). How is it in the Arab world?
Yes, there is no difference in meaning.
No, they both mean exactly the same: I want to go.
The word ذِهابٌ is the مَصْدَر of ذَهَبَ.
You can build the الْمَصْدَر الْمُؤَوَّل by using the particles أَنْ or ما. They are a so called حَرْف مَصْدَرِيّ.
Let us have a look at it:
Watch out: The verb in the sentence above has a فَتْحة at the end as it is preceded by أَنْ.
Therefore, the verb has to be مَنْصُوب.
Yes, at least regarding the grammar of the sentence.
At least it did, a long time ago.