Unable to map external hard drive and pull videos

so i’m trying this… not sure if i have it all right, but when i go to unmount to check it out i get the "No mount point specificied… Here is what i’m putting in, maybe its not right?

/dev/sdd1 3844550588 27950232 3621233092 1% /media/zach/4TB Hard Drisk

/dev/sdd1: LABEL=“4TB Hard Drisk” UUID=“f3daad3f-ad26-4476-8189-386acdc281ea” BLOCK_SIZE=“4096” TYPE=“ext4” PARTUUID=“79d2d314-62eb-491c-9470-2c6104cc8bab”

/dev/sdb1 13563487148 14480864 12865370780 1% /media/zach/14TB Hard drive

/dev/sdb1: LABEL=“14TB Hard drive” UUID=“8a37d9f0-5572-493a-bb96-5baf4e7ced17” BLOCK_SIZE=“4096” TYPE=“ext4” PARTUUID=“e45b9786-c484-4783-81ea-4a67273a689c”

mkdir /disks /disks/c /disks/media3 /disks/14TBHarddrive
mkdir /disks /disks/c /disks/media3 /disks/4TBHardDrisk
chown -R 
zach
:
zach
 /disks
# Addtions for external and internal drives
# Mount 4TB Hard Drisk (ext4)  at /disks/4TBHardDrisk for Plex
UUID= f3daad3f-ad26-4476-8189-386acdc281ea /disks/4TBHardDrisk  ext4  defaults,auto,rw,nofail 0 1
# Mount 14TB Hard drive (ext4
) 
/disks/14TBHarddrive for Plex
UUID= 8a37d9f0-5572-493a-bb96-5baf4e7ced17                     /disks/14TBHarddrive 
ext4
  defaults,auto,rw,nofail 0 1
# Mount /dev/sda1 directly  READ-ONLY,
/dev/sda1                                 /disks/c       ntfs  defaults,auto,ro,nofail 0 1
umount /media/chuck/14TBHarddrive