Can I delete all of the miscellaneous files that I don't want off of my device without using an app?

I wanted to download an app but I did not have enough storage on my phone, so I opened up my storage to see what was taking up all of the space. I saw that almost 4 out of the 8 gb of storage I have on my phone was taken up by miscellaneous files. So I came here to see if I could delete them so that I have more space.

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