Help me learn GM Speak

Where can I learn/find  what all of this means?

LM7 = 5.3 L power

M30 = 4L60E

Rest is foreign to a FORD guy

Thanks

Decoded by https://decoderpo.com/
AE7:
    - SEAT,FRT SPLIT,EASY ENTRY

AJ1:
    - Glass, Solar-Ray deep-tinted
    - GLASS,DEEP TINT(REAR SIDE WINDOWS AND REAR DOOR WINDOW)

AM7:
    - Seat, rear folding bench
    - Seat, rear, folding
    - SEAT,REAR FOLDING

AU0:
    - LOCK CONTROL,REMOTE ENTRY(KEYLESS ENTRY SYSTEM)
    - LOCK CONTROL,REMOTE ENTRY(KEYLESS ENTRY SYSTEM)(USED WITH TROFEO SPORT COUPE WL3)
    - LOCK CONTROL,REMOTE ENTRY(KEYLESS ENTRY SYS)(INCL REM HATCH CTL)

AU3:
    - Door locks, power programmable
    - Lock control, side door
    - LOCK,SIDE DOOR,ELECTRIC
    - LOCK,SIDE DOOR,ELECTRIC(EXPORT,CANADA)

A31:
    - Windows, power
    - WINDOW,ELECTRIC OPERATED,SIDE
    - WINDOW,POWER OPERATED,ALL DOORS
    - 2011 OEM ENGINE PHYSICAL ID A31 & PRODUCTION NUMBER 94672450

B30:
    - Floor covering, color-keyed carpeting
    - Floor covering, full-floor color-keyed carpeting
    - Floor covering
    - CARPET,FLOOR AND WHEELHOUSE

B32:
    - Floor mats, color-keyed and carpeted front
    - Floor mats, rubberized-vinyl front
    - Floor mats, rubberized vinyl
    - Floor mats, front
    - Floor mats, carpeted front
    - COVERING,FLOOR MATS,FRONT AUXILIARY

B33:
    - Floor mats, rubberized-vinyl rear
    - Floor mats, color-keyed and carpeted rear
    - Floor mats, rear
    - Floor mats, carpeted rear
    - Floor mat, carpeted rear
    - COVERING,FLOOR MATS,REAR AUXILIARY

B85:
    - Moldings, bright bodyside 
    - Moldings, Galvano bodyside
    - Moldings, bright accent bodyside lower
    - ORNAMENTATION,EXTERIOR,BELT REVEAL MOLDING

C60:
    - AIR CONDITIONER,FRONT,MANUAL CONTROLS

DK7:
    - CONSOLE ROOF INTERIOR,CUSTOM,COMPASS & OUTSIDE TEMP

D48:
    - Mirrors, outside power-adjustable, body-color
    - MIRROR O/S LH & RH, REMOTE CONTROL, ELECTRIC, COLOR

EVA:
    - TEST DVT, EVAP EMISSION REQUIREMENT

E63:
    - Pickup box
    - Durabed, pickup bed
    - Pickup bed
    - BODY EQUIPMENT,FLEETSIDE PICKUP BOX

FE9:
    - Emissions, Federal requirements
    - Emissions, Federal
    - FEDERAL EMISSION CERTIFICATION

GU6:
    - Rear axle, 3.42 ratio
    - AXLE,REAR,3.42 RATIO

G80:
    - Differential, heavy-duty locking rear
    - Differential, automatic locking rear
    - Differential, limited slip
    - Auto-locking rear differential
    - AXLE,REAR,POSITRACTION,LIMITED SLIP

JC5:
    - BRAKE VAC POWER, 4 WHL DISC, 7,200 LBS

KNP:
    - Cooling, auxiliary external transmission oil cooler
    - Cooling, auxiliary transmission oil cooler
    - Cooling, external transmission oil cooler
    - COOLING SYSTEM,TRANSMISSION,HEAVY DUTY

K34:
    - Cruise control

K47:
    - Air filter, high-capacity
    - Air cleaner, high-capacity
    - Air filter, heavy-duty
    - Air filterHigh-capacity
    - AIR CLEANER HIGH CAPACITY

K68:
    - Alternator, 105 amps
    - GENERATOR,105 AMPERE

LM7:
    - ENGINE GAS, 8 CYL, 5.3L, MFI

M30:
    - TRANSMISSION,AUTOMATIC 4 SPEED,4L60E,ELECTRONIC

NF2:
    - EMISSION SYSTEM,FEDERAL,TIER 1

NP5:
    - Steering wheel, premium
    - STEERING WHEEL,LEATHER WRAPPED
    - STEERING WHEEL,LEATHER WRAPPED(USED WITH GRAN TOURING PKG Y56)

OSG:
    - PLANT CODE OSHAWA, ONT, TRUCK, GM OF CANADA

PDD:
    - LPO, Cargo Package
    - All Star Edition Plus
    - ZR2 Convenience Package III
    - Buick Driver Confidence Plus
    - Envision Driver Confidence
    - Enhanced Buick Driver Confidence

PF9:
    - WHEEL 16 X 7, ALUMINUM CAST

QCJ:
    - TIRE ALL P255/70R16 WOL R/PE ST TL ALS
    - TIRE ALL 155/70R14 SL 77T BW HWY

Q5B:
    - FLEET INCENTIVE HARRIS RANCH, INC. (TRK CKST)

SLM:
    - SALES PROCESSING STOCK ORDERS

UN0:
    - RADIO,AM/FM,STEREO,SEEK/SCAN,COMPACT DISC,AUTO TONE,CLOCK,ETR

UQ3:
    - Audio system feature, 6-speaker system
    - 6-speaker audio system
    - Audio system feature, enhanced 7-speaker system with active noise cancellation
    - Audio system feature, premium 6-speaker system
    - SPEAKER SYSTEM,PERFORMANCE ENHANCED AUDIO

UY7:
    - Trailering provisions, trailering wire harness only
    - TRAILER WIRING,7 WIRE,2 LEAD FRONT HARNESS,5 LEAD REAR HARNESS

VB3:
    - BUMPER,REAR STEP,INCLUDES IMPACT STRIP(CHROME)

VG3:
    - STRIP,FRONT BUMPER IMPACT

VR4:
    - Trailer hitch, weight distribution platform
    - TRAILER HITCH(WEIGHT DISTRIBUTING PLATFORM)

VXS:
    - VEHICLE COMPLETE

V22:
    - Grille, chrome
    - Grille, darkened front
    - GRILLE,RADIATOR(CHROME)

V73:
    - VEHICLE STATEMENT - US/CANADA

XCJ:
    - TIRE FRONT P255/70R16 WOL R/PE ST TL ALS

X88:
    - CONVERSION CHEVROLET
    - MARKET BRAND CHEVROLET

YCJ:
    - TIRE REAR P255/70R16 WOL R/PE ST TL ALS

YD3:
    - AXLE FRONT (BASE EQUIP) FOR SCHEDULING GVW PLATE

YD6:
    - SPRING,REAR(BASE EQUIPMENT)

YE9:
    - CONVENIENCE PKG COMFORT & DECOR LEVEL #3

ZCJ:
    - TIRE SPARE P255/70R16 WOL R/PE ST TL ALS

ZY2:
    - TWO TONE COLOR COMBINATION

Z82:
    - Trailering equipment, heavy-duty
    - TRAILERING PACKAGE(SPECIAL)(REESE TYPE HITCH)

Z85:
    - Suspension Package, Standard
    - Suspension Package, Handling/Trailering, heavy-duty
    - CHASSIS PACKAGE,INCREASED CAPACITY

1SB:
    - PACKAGE-OPTION 02

1SZ:
    - PACKAGE OPTION-

11L:
    - SECONDARY COLOR EXTERIOR
    - SECONDARY COLOR EXTERIOR, PEWTER MET
    - SECONDARY COLOR EXTERIOR, WARM GRAY

12D:
    - TRIM COMBINATION CLOTH, GRAPHITE

12I:
    - INTERIOR TRIM GRAPHITE

39U:
    - EXTERIOR COLOR,PRIMARY,AQUA BLUE METALLIC
    - EXTERIOR COLOR,PRIMARY,DK ADRIATIC BLUE MET
    - EXTERIOR COLOR,PRIMARY,INDIGO MET
    - EXTERIOR COLOR,PRIMARY,DARK BLUE GREEN MET
    - PAINT,EXTERIOR,TROPIC GREEN METALLIC
    - EXTERIOR COLOR,PRIMARY,BLUE METALLIC

6MT:
    - COMPONENT FRT LH COMPUTER SEL SUSP (6MT)

7MT:
    - COMPONENT FRT RH COMPUTER SEL SUSP (7MT)

Thank you

That takes the mystery out  of GM Speak

Have a great Holiday