Crossword puzzle clue "either of two in this answer"

Answer, when pointing to this answer, to the question "Which letters answer this clue?"

Either of two in this answer

Either blank in a jazzperson's "One ___ two ___ one two three four"

Word that can precede either part of each starred clue's answer

Cul-de-sac ... or what either part of the answer to each starred clue is?

"Don't wait for me to proceed" ... or what either part of the answer to each starred clue can do?

There's no place like it ... or a word that can precede either half of the answer to each starred clue

Hang on to ... or a word that can precede either half of the answer to each starred clue