Your meta description acts as organic ad text. What this means is that when your ad ranks for a keyword, Google and other engines will often show the meta description as a summary of the page. This makes the meta description as important as ad text.
You should keep in mind that your visa will not necessarily include a residence permit and/or work permit. A so-called Schengen visa usually allows you to stay in Germany and other states within the Schengen area for up to 90 days. However, a Schengen visa does not permit you to take up any paid jobs in Germany.
You need a visit visa to enter Dubai and can get this multiple visit visa once you are there. If you are a citizen of Germany you can one or two years visa for a sum of 1500 Dirham. If you are a US citizen you can get a one to ten years valid visa for no cost.