the answer is radial
dignity and endurance
A formal document would be the type a professional would send in the course of doing business. Informal would be they type you would send to a friend or relative. It would have less rigid structure, focusing more on the content. Also an informal document such as a text message or email does not have a layout but formal documents such as a letter or a newspaper article.
Formal communication is a type document, letter, or verbal presentation intended to share information to professionals or used for official purposes. Examples of this communication include some publications, newsletters, and letters of congratulations.
Formal language is the most appropriate language when writing a business letter.
Symmetrical balance.
the answer is radial
formal balance
A business letter is the most formal type of functional writing.
Mentoring
Radial
formal
symmetrical.
The most formal kind of functional writing would be formal letters. This type of letter would be used in circumstances dealing with business matters or even when writing to a stranger.
dignity and endurance
court opinion
a letter to the mayor of your city