How to Copy/Paste Files folders to External Hard Drive on Mac HD

Transferring files pictures documents to external hard drive, 3 ways to copy files, Mac WD Elements , WD My Book western digital, my passport wd, we my cloud,wd my passport ultra, Western Digital,Samsung M3 Portable 2.5 inch, slim, D3 station, ultraslim,S3, Toshiba Canvio ,Slim ,Connect , basics, 100gb 200gb 300gb 400gb 500gb 1tb, 2tb, 3tb, 4tb, 5tb, 6tb 7tb 8tb 9b 10tb 20tb, 40gb 50gb 60gb 70gb 80gb 90gb . usb 3.0, usb 2.0, usb 4.0Como journaled o exfat? fat 32? Macbook Pro , iMac, macbook air, laptop mac, desktop, computer apple, macbook retina display, macbook air, mac mini, mac pro, Yosemite OS X, Mavericks OS X , tiger OS X. Windows 7 windows 8 black, silver, grey, white hard drive, portable hard drive, metal edition, titanium, blue, red, my book duo, metallic silver, thunderbolt, Western Digital, Toshiba.Seagate backup plus, Slim, Central,fast, Samsung M3 Portable 2.5 inch, slim, D3 station, ultraslim,S3, LaCie rugged, porsche design, fuel, d2 quadra, mini, aluminum, 3.5", usb 3.0/2.0, D2 thunderbolt series, blade runner, 2big quadra, mini disk, portable hard drive, Silicon Power Armor Rugged armour A30 2.5 inch usb 3.0, A80, Shockproof, Buffalo DriveStation, technology, ministation,