An explanation (説明) in writing is a written explanation. I guess sometimes you don't want to do your explanations in person, huh?
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 instructions for the ice cream maker I bought yesterday were missing.
When you play a new game, are you the type of person who reads the instructions first or do you start playing without reading them?
We are currently looking for someone who can translate some instructions written in Japanese into English.