1. What is a Visa?

A visa is an entry permit issued by the competent authority of a country, allowing foreign nationals to enter, transit, stay, or reside in that country for a specific period. A visa is usually stamped or affixed to a passport or issued as an electronic visa (E-visa). Visa types vary depending on the purpose of travel such as tourism, business, work, study, or family visit.

Role Explanation
Entry permission Official permission for a foreign national to enter another country legally.
Form May be a stamp, sticker, paper document, or electronic E-visa.
Purpose codes Codes indicate entry purpose: DL, DN, LD, TT.
Validity Single or multiple entries depending on each country’s policy.
Mandatory requirement Most countries require a visa unless the traveler is visa-exempt.

2. Visa vs Passport

Criteria Visa Passport
Issuing authority The country you intend to visit Your own country
Function Allows entry into another country Proves nationality and the right to travel
Requirement A passport is required to apply for a visa A visa is not required to obtain a passport

3. Visa Application Process

Step Content
1 Define your purpose and visa type.
2 Prepare required documents (passport, photo, proof of funds, etc.).
3 Submit your application at the Embassy or apply online (E-visa).
4 Wait for processing and receive your visa (sticker or E-visa file).

Summary

Applying for a visa is an administrative and legal procedure that allows you to leave your home country and enter another country lawfully.