In professional communication, various types of letters serve different purposes. Below are some of the most frequently used business letters:

  1. Cover Letters: These letters are typically sent along with a resume when applying for a job. They introduce the applicant and highlight key qualifications.
  2. Inquiry Letters: Used to request information or clarification about services, products, or terms.
  3. Complaint Letters: These letters express dissatisfaction with a service or product, and often seek resolution or compensation.
  4. Recommendation Letters: Written to endorse someone’s skills or qualifications, typically for job applications or academic purposes.

Each of these letters should be structured clearly and professionally to ensure effective communication.

Letter Type Purpose
Cover Letter Introduce the applicant and summarize qualifications.
Inquiry Letter Request specific information or clarification.
Complaint Letter Express dissatisfaction and seek resolution.
Recommendation Letter Endorse a person’s qualifications or character.

"A well-written business letter can be the key to a successful professional relationship or opportunity."