A lot of business activities are conducted via ordinary letters or e-mails, compiled for the purpose of finding business partners, or offering goods or services. Business letters resolve organizational, commercial, procurement, legal, and many other issues. The style of a business letter usually has laconic, rigorous, clear and simple language, and often uses professional terminology. Business letters can be sent by mail and email. Each type of delivery has unique peculiarities, but the overall structure and tone doesn’t change.