Covering
Encompassing
noun, verbal noun
If your net is spread out widely enough, it'll be covering everything. You're going to have to spread it out really, really far, though.
網羅 is a relatively formal word that means "covering" in the metaphorical sense, like an exhaustive list or a reference document encompassing all the information in a particular field. It gives off a strong feeling of "wow, they really got it all!" or even a proud "yep, I covered it all" kind of vibe.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
あの男はたった一ヶ月で、ここでの業務を網羅した。
That man covered all the tasks here in just one month.