A lot of posters use these terms. Purely to educate I am posting an actual list of E-A ratings that may help make future posts more relevant.
A: Main Street vehicles and Cinema, Castle Walk Through and King Arthur's Carousel
B: Main Steet Cinema, Alice in Wonderland, Casey Jr. Circus Train, Swiss Family Tree House
C: Adventure through Innerspace, Dumbo, Mad Tea Party, Pinnochio, Mr. Toads Wild Ride, Snow White's Scray Adventure, Shootin Gallery
D: Railroad, Misson to Mars, Rocket Jets, Storybook Land Canal Boats, Skyway, Mark Twain, Tom Sawyer Island Rafts, Mine Train through Nature's Wonderland
E: Matterhorn, Small World, Space Mountain, Submarine Voyage, Monorail, Country Bears Jamboree, Pack Mules, Mark Twain, SS Columbia, Haunted Mansion, POTC, Jungle Cruise, Tiki Room