Originally Posted by CimBa07
Can someone please explain to me what they are, and if they're safe to delete? Thanks.
Probably not since you don't list them. Some of them may be important and most probably aren't.
If there are any particularly large files or directories, you could list them out for us and we can have a look.
What you could do though is back them up and see what happens if you delete them from the phone.