byte order mark

• byte-order mark

From byte order +‎ mark.

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byte order mark

Wikipedia

byte order mark (plural byte order marks)

1. (computing) A character indicating the endianness of a string of text.
   1. (especially) The Unicode character U+FEFF ZERO WIDTH NO-BREAK SPACE.

byte order mark (a mark defining the order of bytes) should not be confused with order mark (a mark indicating that someone's attitude is not in order). Hyphenation can be used for more clarity: byte-order mark vs order-mark.

• BOM

• mark