field

1) In a database table, a field is a data structure for a single piece of data. Fields are organized into records, which contain all the information within the table relevant to a specific entity. For example, in a table called customer contact information, telephone number would likely be a field in a row that would also contain other fields such as street address and city. The records make up the table rows and the fields make up the columns.

2) In a form that you fill out on a Web site, each box that asks you for information is a text entry field.

3) In the header of a variable-length transmission unit, a two-byte subfield in the header (which is really a field itself) could identify the length in bytes of the message.

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