Business communication can be defined as the network of information existed among the insiders and outsiders to solve the problems of business organization.  Business deals with several individuals, firms, organizations, institutions and offices everyday. Such dealings take place with employees, managers, customers, suppliers, shareholders, creditors, banks etc. Communication is the exchange of messages for developing better understanding among them.  

The sharing of information between the people within an enterprise that is performed for the commercial benefit of the organization. Therefore, every business has to ensure effective communication system so that it can achieve success keeping a balance between its performance and environment.  In early times, business communication was limited to paperwork, telephone calls etc. But now with the advent of technology, we have cell phones, video conferencing, emails, satellite communication to support business communication.

According to Raymond, Marie, Kathryn and Neerja, "Business communication can be defined as a problem-solving activity.It is an interpersonal goal oriented process".

Source of communication:

Business data and information come from multiple sources. The main sources of information are:

Internal communication:
Those sources which are accessible within the office itself  is known as internal communication.  Accounting records can be taken as a prime source of internal information. The details transactions of the past which may use as the basis for planning for the future.

External communication:
Those sources which exist outside the business office known as external communication. There are various sources of external information they are :

• Print information
• Television and radio media information
• Online formation

The letter which is drafted by a business organization is called business organization communication for each and every type of business organization. The letter is an important medium of business. It is the traditional forms of business messages. It is written with the purposes of buying and selling goods and carrying out others activity of business. Letters, applications, circulars, notices, memorandum, quotation, orders, complaint letter etc. are the means of correspondence.

According to S.P Arora,"Correspondence can be defined as communicating in written on the subject of mutual interest either within the organization or with an outsider"

Structure of business letter
The effective business letter generally contains the following in a sequential order.

• Heading
• Inside address
•  Salutation
• Subject heading
• Body of letter
• Complementary closing
• Signature
• Enclosure
• Carbon copy

A business letter is written with a definite objective. The achievement of such objective upon the effectiveness of the letter. 

• Simplicity:
  

  Simplicity is necessary while we writing a letter. A business letter must be simple and short so that it is easy to understand the messages given by the sender.

• Completeness:
  Another important quality of a letter is completeness. The letter should include by using correct information.The letter should include all the information  that reader wants.  Repetitions should be avoided and words should be carefully chosen.
  
  
• Clarity:
  The good business letter should be clear. It must be written clearly using clear words so that receiver understands. . It must be written clearly using clear words so that receiver understands. It should be eye-catching too but confusing sentences, phrases, and proverbs should not be used.
  
  
• Correctness:
   The writer should draft the letter by using correct spelling, words, grammatical structure, sentences and giving the correct information, data and figures.  . The clearness of the letter depends on its correctness. The language and grammar should be correct and right words should be used.
  
  
• Courtesy:
  A letter should be written by giving due respect to the feeling of the reader. It always helps in increasing goodwill and maintaining warm relations.
  
  
• Attractiveness:
  The letter should be attractive in its appearance. It should be eye-catching too but confusing sentences, phrases, and proverbs should not be used. It should be folded properly and should be put in a right size envelope.

Business letter is one which appears well, is written well and communicated well.  A business letter is made up of different parts which should be arranged properly and orderly to make the letter attractive, meaningful, and effective. some parts in a sequential order are explained below:

• Heading:
   Heading is the first part of the letter.  It consists of name, address, e-mail address, website address, telephone, number, fax number of the company. It is not necessary to include that information again in the body of the letter. Sometimes, the writer will provide a direct phone number or personal email address if the action statement calls for direct communication.
  
  
• Inside address:
  This is the second part of a letter that contains the name and address of the receiver to whom the letter is written. The inside address should be exactly the same as the address of the receiver written the envelope. The name of the firm and person used in inside address mush have proper courtesy title like Mr., Mrs., Dr., Prof., etc
  
  
• Date:
  Full date must be included in the letter.  The letter is usually dated  the same day on which it is mailed., but whatever agreement are included in the letter considered effective as of the date of the letter.
  
  
• Salutation: 
  Salutation is the greeting or honour given to the receiver by the writer.  The formal greeting always started with 'Dear' followed personal title and last name. Besides this, the words for salutation like: 'Respected Sir,', 'Sir',' Dear sir',' Dear Madam', 'Dear Gentleman' etc are used for honouring the receiver.
  
  
• Body of the  letter:
  Body of the letter is the fifth part of the letter. It is the most important part of the letter which consists the detailed about the subject matter. Messages to be delivered must be written clearly, correctly, concisely and courteously. It relays the whole message to the receiver.
  
  
• Complementary closing:
   Complementary closing is the sixth part of the  letter. It is concluded with some polite words like Yours,Faithfully, Yours Sincerely, Yours truly etc. It is written on the relationship between the sender and receiver,
  
  
• Signature:
  It is last part of the letter. It contains a signature, name, and position of the writer. The writer has to sign and write his/her name and position  for its validity and its identification.
  
  
• Encloser:
  It includes the additional documents attached with the letter.  It is written in a short form like"Encl"orEncls".
  
  
• Carbon copy:
   Carbon copy is used to copy the text of letters while it is used to sent to more than one authority for quick action.

The letter which is drafted by a business organization is called business organization communication for each and every type of business organization. The letter is an important medium of business. It is the traditional forms of business messages. It is written with the purposes of buying and selling goods and carrying out others activity of business. Letters, applications, circulars, notices, memorandum, quotation, orders, complaint letter etc. are the means of correspondence.

According to S.P Arora,"Correspondence can be defined as communicating in written on the subject of mutual interest either within the organization or with an outsider"

Business letter is one which appears well, is written well and communicated well.  A business letter is made up of different parts which should be arranged properly and orderly to make the letter attractive, meaningful, and effective. some parts in a sequential order are explained below:

• Heading:
   Heading is the first part of the letter.  It consists of name, address, e-mail address, website address, telephone, number, fax number of the company. It is not necessary to include that information again in the body of the letter. Sometimes, the writer will provide a direct phone number or personal email address if the action statement calls for direct communication.
  
  
• Inside address:
  This is the second part of a letter that contains the name and address of the receiver to whom the letter is written. The inside address should be exactly the same as the address of the receiver written the envelope. The name of the firm and person used in inside address mush have proper courtesy title like Mr., Mrs., Dr., Prof., etc
  
  
• Date:
  Full date must be included in the letter.  The letter is usually dated  the same day on which it is mailed., but whatever agreement are included in the letter considered effective as of the date of the letter.
  
  
• Salutation: 
  Salutation is the greeting or honour given to the receiver by the writer.  The formal greeting always started with 'Dear' followed personal title and last name. Besides this, the words for salutation like: 'Respected Sir,', 'Sir',' Dear sir',' Dear Madam', 'Dear Gentleman' etc are used for honouring the receiver.
  
  
• Body of the  letter:
  Body of the letter is the fifth part of the letter. It is the most important part of the letter which consists the detailed about the subject matter. Messages to be delivered must be written clearly, correctly, concisely and courteously. It relays the whole message to the receiver.
  
  
• Complementary closing:
   Complementary closing is the sixth part of the  letter. It is concluded with some polite words like Yours,Faithfully, Yours Sincerely, Yours truly etc. It is written on the relationship between the sender and receiver,
  
  
• Signature:
  It is last part of the letter. It contains signature, name, and position of the writer. The writer has to sign and write his/her name and position  for its validity and its identification.
  
  
• Encloser:
  It includes the additional documents attached with the letter.  It is written in a short form like"Encl"orEncls".
  
  
• Carbon copy:
   Carbon copy is used to copy the text of letters while it is used to sent to more than one authority for quick action

Business communication can be defined as the network of information existed among the insiders and outsiders to solve the problems of business organization.  Business deals with several individuals, firms, organizations, institutions and offices everyday. Such dealings take place with employees, managers, customers, suppliers, shareholders, creditors, banks etc. Communication is the exchange of messages for developing better understanding among them.  

The sharing of information between the people within an enterprise that is performed for the commercial benefit of the organization. Therefore, every business has to ensure effective communication system so that it can achieve success keeping a balance between its performance and environment.  In early times, business communication was limited to paperwork, telephone calls etc. But now with the advent of technology, we have cell phones, video conferencing, emails, satellite communication to support business communication.

According to Raymond, Marie, Kathryn and Neerja, "Business communication can be defined as a problem-solving activity.It is an interpersonal goal oriented process".

A business letter is written with a definite objective. The achievement of such objective upon the effectiveness of the letter. 

• Simplicity:
  

  Simplicity is necessary while we writing a letter. A business letter must be simple and short so that it is easy to understand the messages given by the sender.

• Completeness:
  Another important quality of a letter is completeness. The letter should include by using correct information.The letter should include all the information  that reader wants.  Repetitions should be avoided and words should be carefully chosen.
  
  
• Clarity:
  The good business letter should be clear. It must be written clearly using clear words so that receiver understands. . It must be written clearly using clear words so that receiver understands. It should be eye-catching too but confusing sentences, phrases, and proverbs should not be used.
  
  
• Correctness:
   The writer should draft the letter by using correct spelling, words, grammatical structure, sentences and giving the correct information, data and figures.  . The clearness of the letter depends on its correctness. The language and grammar should be correct and right words should be used.
  
  
• Courtesy:
  A letter should be written by giving due respect to the feeling of the reader. It always helps in increasing goodwill and maintaining warm relations.
  
  
• Attractiveness:
  The letter should be attractive in its appearance. It should be eye-catching too but confusing sentences, phrases, and proverbs should not be used. It should be folded properly and should be put in a right size envelope.

Drafting a letter is an important part of a business. There is various letter used in business.  The businessman writes different types of letters considering the matters of business as below:

• Inquiry Letter:
  Inquiry of letter is defined as a letter that is written for collecting information about job seekers, prices, products, and services before awarding jobs, granting credit, making contracts and giving promotions. It is written for making an inquiry about the quality and price of goods, discount offered, means of payment, means of transportation and date and place of delivery.
  
  
• Reply Letter:
  The letter written by the seller to the buyer by giving information about the goods to be sold is called reply letter. It is written in response to the inquiry letter starting the quality,  price, discount offered, means of transportation, and date and place of delivery. Hence, the quality of the reply letter helps to be the best supplier.
  
  
• Order Letter:
  The letter which conveys the message for the supply of goods is known as a letter of order. It plays a vital role in a contract between suppliers and buyers. It is written in response to the reply or quotation letter giving details about the goods purchased.  It is generally prepared by a buyer to a seller for the ordering of goods which contain quality, quantity, size, time, place special instruction etc.
  
  
• Complaint Letter:
  The letter which is written by the seller to the buyer confirming the order received is called complaint letter. It is a letter that describes the damage, errors or mistakes happened to the delivered goods and therefore, claims for compensation .While writing a complaint letter it must be genuine,courteous,correct and complete.
  
  
• Application letter:
  The letter which is written by a candidate for getting employment in an organization in an organization for a given post is called Application letter.  While writing the letter,the applicant should state his academic qualification , experience, training, age health, hobby, the reason for applying the post etc.