spell out
1 to explain something in a simple, clear way
You know what I mean—I'm sure I don't need to spell it out.
Do I really have to spell it out for you?
His speech spelled out a clear message to the car industry.
spell out why, what, etc… Let me spell out why we need more money.
She spelled out precisely what she wanted.
2 to say or write the letters of a word in the right order
Could you spell that name out again?
e.g.