The text provides a list of essential documents required for a tourist visa application, including a passport with at least six months' validity and two blank visa pages, recent passport photographs meeting specific requirements, a completed visa application form, a detailed travel itinerary, proof of financial means, an invitation letter if applicable, travel insurance, and a cover letter explaining the purpose of the visit. The text emphasizes the importance of gathering these documents beforehand to make the application process smoother and increase the chances of success. It also notes that specific requirements may vary by country, so applicants should check the documentation needs and specifications for each item.