• In current age, mailing services have been changed to electronic mail that can be used to send and receive the text, photos, etc electronically.
• 'Mail' means a written communication via a messenger service or post office. All business concerns send and receive large amounts of letters, notices, circulars, calls, reminder reports, statements, pamphlets, queries, etc.
• The main purpose of the filling process is to ensure proper ordering, proper storage and easy access to records.
• Classification of filing is a process of separating records and documents, organized due to general characteristics prior to completion.
• There are several methods of filing classification, e.g. Serial from 1-100, Serial from A-Z, Geographical, according to the title.
• Indexing is a process of determining the name, title or other caption where the text is placed.