Text-field meaning

A data structure that holds alphanumeric data, such as name and address. If a text field holds large, or unlimited, amounts of text, it may be called a "memo field." See text file. Contrast with numeric field.
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Also known as the data field and the payload.The user data field contained within a block, cell, frame, or packet. The text may be preceded by start-of-text (STX) and succeeded by end-of-text (ETX) control characters so the receiving device can determine the location of the message data. See also block, cell, data format (illustration), frame, header, packet, and trailer.
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