What is the “High Definition New Testament?” Glad you asked. It’s a way of marking the English text (ESV) to show where the authors of Scripture were emphasizing words or phrases, as well as points, counterpoints, bullet lists, and main statements.
I bought both the English HDNT and the Greek versions. I’m enjoying both of them. They are quite valuable for quickly allowing one to see where and what the authors of Scriptures emphasized and how they ordered the text.
Here is a video of the Greek version. The English looks just the same, although some of the Greek emphases are not transferable to the English version.