Insertion
noun, verbal noun
If you insert and enter something, you are doing insertion to it.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
このパラグラフの間にアヤのイラストを挿入するのはどうでしょうか。
Why don’t we insert Aya’s illustration between these paragraphs?
An update is needed before you can continue but you have more than one WaniKani tab open.
Finish up what ever you are doing on the other tab(s), then close them to continue.
The update will complete automatically once the other tab(s) are closed.