Coming to the point of the matter
May I be frank?
Let me be perfectly clear.
Make no bones about it. (idiomatic)
= Do not make any bones of contention about this.
Read my lips, (informal)
= Pay dose attention to what I am saying.
(To a make a) long story short. (cliche’)
Let’s call a spade a spade. (cliche’)
Let me spell it out for you.
Here’s the bottom line.
the bottom line = the summation; the final and major point