A business letter is not written: OA. between one company and another company.
OB. between a company and its customers or clients.
OC. between two private individuals.
OD. to employees within a company to recognize important
achievements.

OC. between two private individuals.

Explanation:

A business letter is a formal document written to convey an official or commercial message. It is written in a standard format. A Business letter is usually short, clear, and concise.

Two private individuals will probably communicate using personal letters.  Unlike a business letter, a personal letter uses a friendly and relaxed tone. They are no laid down formats to consider.  Personal letters may convey messages concerning the writer or recipient's social, religious, or economic matters.

answer; it can vividly demonstrate product attributes and persuasively explain their corresponding consumer benefits;

according to the song of roland, the characteristics of an ideal knight are: loyalty to the king, skilled warriors and horseman, valiant, bold, courageous, strong and proud in battle. they should be determined to fulfil their duties and willing to die to make their people safe.