Perhaps you are asking why people tend to capitalize Word when referring to the Bible even though this is not done in scripture. I think it is a matter of respect for the Bible. In the same manner, many people (myself included) tend to capitalize pronouns referring to God.
DS-11 Application Form for New Passport. Form DS-11. The DS-11 Application Form for New U.S Passport is an application form that should be used when you are applying for a new U.S. passport or when you are replacing an expired U.S. passport that was issued to child under the age of sixteen; Or for a lost passport.
N-400 Citizenship. Form N-400, Application for Naturalization, is the form used by permanent residents (Green Card holders) to become citizens of the United States. There are a number of requirements that need to be met before an immigrant can apply for U.S. citizenship, but the benefits are plentiful.