Proper Nomenclature

Not sure how to properly refer to a product on a work order? Check here.
Things listed here will be properly capitalized and worded. Any additions are welcome. Just run them by your leader first.
This is not to waste your time or insult your intelligence telling you obvious things like what an iPhone is. This page exists so that we can efficiently communicate in work orders and all be on the same page. Proper capitalization of nomenclature will be taken VERY seriously in work orders or any type of documentation that will be in front of a customer at ANY time.
Link to Apple official trademark names and guidelines on usage.
==Operating System & Formatting==
macOS - Macintosh Operating System
iOS - iPhone and iPod Touch Operating System, also on older iPad models which do not update to iOS 13.
watchOS - Apple Watch Operating System
iPadOS - iPad Operating System
HFS - Hierarchical File System - Mac OS Standard - drive format up to macOS 9
HFS+ - Hierarchical File System Extended - Mac OS Extended - drive format up to 10.13 High Sierra
APFS - Apple File System - drive format beginning with 10.13 (High Sierra) to present macOS. Read/write support was introduced in Sierra, but Sierra will not boot from an APFS formatted drive. The High Sierra installer converts HFS to APFS with SSDs. The Mojave installer converts all HFS to APFS. If Mojave is cloned to a HFS drive it will boot but not update.
==Devices==
iPhone
iPad
iPad Pro 
iPad Air
iPad mini
iPod - Apple Music Player
iPod Touch - Touch screen variant of the iPod
Apple Watch - do NOT use iWatch
Apple TV 4K - Apple streaming device in 4K
Apple TV HD - Apple streaming device 
HomePod - Apple's smart speaker
==Computers==
MacBook Pro - Not to be confused with a standard Aluminum MacBook
iMac - Desktop all-in-one Apple machine
iMac Pro - Desktop all-in-one Apple computer, introduced in 2017
Mac mini - Stand alone Apple computer in a small form factor
Mac Pro - Apple aluminum tower. Switched form factor in 2013 to the cylinder.
==Accessories==
Magic Keyboard - Wireless, battery operated Bluetooth Apple keyboard 
Magic Keyboard 2 - Wireless, rechargeable Bluetooth Apple keyboard - uses lightning to USB cable
Magic Keyboard with Numeric Numberpad - Wireless, rechargeable Bluetooth Apple Keyboard, comes in white or Space Gray - uses lightning to USB cable
Magic Trackpad - Wireless, battery operated Apple Bluetooth track pad
Magic Trackpad 2 - Wireless, rechargeable Bluetooth Apple track pad - uses lightning to USB cable
Magic Mouse - Wireless, battery operated Bluetooth Apple mouse
Magic Mouse 2 - Wireless, rechargeable Bluetooth Apple mouse - uses lightning to USB cable.
Apple Mouse - formerly Apple Mighty Mouse - Wired and wireless options, Apple USB mouse with trackball feature
Lightning to USB cable - Apple USB charging cable using a lightning connector
30-pin to USB cable - Apple USB charging cable used with older iPod, iPhone, and iPad devices
MagSafe charger - Apple's magnetic charger for notebooks, 1st generation used from 2006 - 2012
MagSafe 2 charger - Apple's magnetic charger for notebooks, 2nd generation, introduced in 2012.
AirPods - Wireless bluetooth headphones (come in 1st generation, 2nd generation, and Pro models)
EarPods - Wired headphones
Apple Pencil - 1st and 2nd generations, for use with new model iPads
Smart Keyboard - iPad accessory for iPad Pros and 7th generation iPad
Apple USB SuperDrive - Apple's external USB optical drive
AirPort Extreme - functions as router, network switch, wireless access point
AirPort Time Capsule - AirPort Extreme but includes internal hard drive for Time Machine backups or network attached storage.
AirPort Express - Wi-Fi base station 
==Common Parts==
LCD - Liquid Crystal Display 
OLED - Organic light-emitting diode
Top case - varies by model, but typically includes keyboard, trackpad, speakers, microphone and other small parts
Display assembly - notebook display including clamshell, hinges, etc.