Inside that form... there is something inside there. What are the contents?
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
The Tofugu team paid close attention to the content of Koichi's speech.
While it seems like there is, there's never any substance to Koichi's presentations.
Some of Tofugu's fans are well known for being relentless about substance and accuracy.