U+2410 "␐" Symbol for Data Link Escape Unicode Character

U+2410 "␐" Symbol for Data Link Escape is a graphical representation used to denote the ASCII control character Data Link Escape (DLE), which has the hexadecimal code 0x10. This visual symbol appears as the letters "DLE" enclosed within a rectangular box, designed to indicate the presence or usage of the DLE control code in plain text, data streams, or technical documentation. Historically, DLE is a communications control character employed in data transmission protocols to temporarily alter the meaning of a subsequent sequence of characters, often to initiate transparent mode or to escape from the normal data interpretation. The Unicode Symbol for Data Link Escape provides a visible and standardized way to represent this non-printing control function in contexts such as debugging, protocol analysis, or educational materials.