The *k means put control and binary characters in blinking text, but on some systems the text doesn’t blink, instead it appears in a different color!
The *d means put control and binary characters in bold text, but on some systems the text doesn’t appear in bold, instead it appears in a different color!
The *u means put control and binary characters in underlined text, but on some systems the text doesn’t appear in underlined, instead it appears in a different color!
The <%02X> means put binary characters as an uppercase 2 digit binary value within angled brackets.