Trading/Selling Availability
For Sale // Always Paypal USD, invoice only. Please no e-checks
Tier 1 // Designs I'm actively looking to trade
Tier 2 // Designs I'm a little attached to, but still looking to trade
Tier 3 // Designs I'm moderately attached to, but will still entertain offers on
Tier 4 // Designs I'm very attached to, I'm not actively looking to trade but might for dream designs
Tier 5 // Designs you won't be able to pry from my cold, dead hands. Don't offer on them please, they're my babies
Tier X // I can't trade these designs even if I wanted to, don't offer on them unless you're the species owner and/or the person I got them from
nft/nfs // Extra clarification for people who haven't seen my tag directory and thus aren't aware that tier x and 5 means nft/nfs. The distinction between x and 5 is just so I remember which designs I can trade/sell if I do lose attachment to them. 

By Species
This refers to the design's actual species! For designs that evoke the feelings of a certain species but actually a part of the species itself, see themes.
Original Species // 
Closed Species // 
Open Species // 
Retired Species // 
Pokemon/Pokehybrid // 
Digimon //
Kelenken/Terror Bird/Chocobo // Designs whose species is or is based on a specific group of prehistoric birds, terror birds/phorusrhacids
Dragon/Dragonkin // Dragons, dragon relatives, or dragon-like designs in general
Humanoid // Either outright human, human-like in appearance, or can appear humanoid

By Theme or Aesthetic
These are separated into focuses, though there can be some overlap (ex. a feline design can have cat-like colors instead of silhouette, even though the feline tag is silhouette focused)

Quality focused
Designs typically have the qualities these tags represent
Angelic // Designs that evoke an angel-like feel. Examples include feathers/feathery wings, halos, light colors, and golds
Demonic // Designs that evoke a demon-like feel. Examples include horns, spikes, bat/dragon wings, fire or fiery colors, and dark colors
Spectral // Designs that evoke the a spirit/ghost-like feel, such as liminal beings. May often overlap with angelic
Extra Terrestrial // Designs that evoke an alien or space traveling sort of feel. If it's species is confirmed alien, I may tag it as this
Mermaid // Designs that evoke a mermaid-like feel. Examples include seashells, pearls, corals, beach sand and water, seaweed, sea glass, fish scales, ect
    Kelpie // Designs that evoke a kelpie-like feel. Examples include reeds, algae, and marshy brown and green colors, sometimes blues
Celestial // Designs that evoke a feel of the sky including clouds and heavenly bodies such as the stars, moon, sun, ect
Plushie // Designs that directly involve or evoke the feel of plushies or fabric
Crystalline // Designs that either directly involve crystals, glass, or gemstones; or they evoke the feel of them with their features, colors, or markings
SLIME // Designs that involves slime or goo
Edible // Designs whose body are made of food completely or partially
    Ice cream // Design involves or is very obviously based on ice cream, frozen yogurt, ect
Medical // Designs that evoke medical themes, such as nurses
    Virus // Designs that evoke a virus theme, specifically how they look under microscopes

Color focused
Designs typically have the colors these tags represent
Autumn/Cinnamon // Designs that evoke the feeling of autumn/fall. Examples include fall colored leaves, pumpkins, and orangey/brown/purple colors
Genie/Blueberry // Blues, purples, magentas, inky blues/blacks, golds. Usually darker designs
Raindrop // Blues, cyans; rainy or watery themes
Howl // Evoke the feeling of wolves and the moon, includes browns, greys, and whites
Lullaby // Designs that evoke nostalgic, comforting feelings related to sleep and night-time. Examples include dream clouds, pastels, stars and moons, glow-in-the-dark or a soft glow, ect
Loam // Evoke the feeling of mud or dirt with plant life (general) growing from it with browns and greens
    Clover // Evoke the feeling of clovers (four leaf or otherwise) with a variety of greens as the main color
    Sakura // Evokes the feeling of sakuras/cherry blossoms with light pink + brown, blue, or both. 
Luna // Evoke the feeling of the moon either blatantly or through grey and white colors
    Mythril // Evokes the feeling of silver (grays and whites), especially with holographic or iridescent effects. Similar to and sometimes overlaps with luna.
Sunny side up // Designs that either directly involve eggs or evoke the feeling of them, usually with yellow and white colors
Sugar // General tag for designs that either directly involve or evoke the feeling of something sugary with its features, colors, or markings
    Honey // Warm browns, oranges, and golden yellows. Typically a little lighter than what's seen in the autumn tag, but there may be overlaps
    Strawberry Milk // Designs that evoke the feeling of strawberry milk. Can be blatantly based on it, and/or may simply have primarily white and pink colors
    Pink Lemonade // Designs that evoke the feeling of pink lemonade. Colors primarily include pinks, magentas, yellows, and oranges. Can overlap with strawberry milk at times, but oftentimes has more saturated colors
    Rose water // Designs that evoke the feeling of rose water. Oftentimes includes red and white colors, sometimes blues
    Chocolate // Designs that evoke the feeling of chocolate
        Coffee/Dark Choco // Especially dark browns with the overall design being dark as well (not many whites or creams if any at all)
        Mocha // Browns and pinks
        Hot Cocoa // Browns and blues
        White Choco // Browns with whites, where white takes up a lot of room (might co-exist in other tags if the white to other color ratio is lowish, but still enough to be in white choco)
        Mint Chip // Browns and green/minty colors

Silhouette focused
Designs typically have similar silhouettes or body parts associated with what these tags represent
Flora // Designs that either directly involve flowers/plants, or evoke the feeling of them with their features, colors, or markings
    Flower // Evoke the feeling of flowers, especially specific ones 
Fungi // Designs that either directly involve mushrooms or other fungi, or evoke the feeling of them with their features, colors, or markings
Fauna // Designs that bare an especially strong resemblance to or evoke the feeling of specific real-life animals with their colors, markings, or features
    Noodlebun // long ears + long bodies and/or tails
    Bunny // rabbit or hare feel
    Selkie // Designs that evoke a selkie or seal-like feel.
    Rodent // includes rats, mice, squirrels, ect (does NOT include rabbits)
    Cetacean // includes whales and dolphins feel
        Orca // specific tag for orca feel, notably designs with the classic orca marking
    Canine // includes dog and fox feel (foxes are vulpines, I know)
    Feline // cat feel
    Ursid // bear feel, includes teddybears
    Mustelid // includes ferret, weasel, otter, badger, ect feel
    Marsupial // includes kangaroo, koala, opossum, ect feel
    Chiropteran // bat feel
    Caprine // includes goat and sheep feel
    Bovine // includes cow and other cattle feel
    Cervid // includes deer and moose feel
    Equine // includes horse, donkey, zebra feel
        Unicorn // specific tag for unicorn or kirin feel
    Camelid // includes camel, alpaca, llama, ect feel
    Giraffe // giraffe feel
    Rhino // rhinoceros feel
    Tethid // includes elephant, manatee, and dewgong feel
    Avian // bird feel, as opposed to just the feathery wings (see angelic)
    Piscine // fish feel
        Seahorse // includes seahorse, pipefish, seadragon, ect feel
    Reptilian // general tag for all reptilian feel
        Serpentine // usually have long bodies
        Lizard // includes gecko and chameleon feel
    Amphibian // general tag for all amphibian feel
        Salamander // salamander feel
        Frog // frog feel
    Cephalopod // includes squid, octopuss, ect feel
    Gastropod // includes slug, snail, nudibranch, ect feel
    Cnidarian // includes jellyfish, anemone, ect feel
    Arthropod // includes insect, arachnid, crustacean, ect feel
        Lepidopteran // includes moths and butterflies
        Worm // includes worm, leech, and larva feel
    Dino // includes dinosaurs, pterosaurs, dimetrodons, mosasaurs, plesiosaurs, and other animals often grouped up with dinosaurs
        Nessy // plesiosaur feel

Theme not recorded // Designs that either don't have a theme, or have a theme that isn't notable enough for it's own tag yet

Character focused
Designs from my multi-species characters folder, or designs I plan on making into multi-species characters
Chimera //
Erema //
Juice //
Maralah //
Roonie // 
Suzu //
Viola //

By Color
Colors included in the design, in general. They don't have to be exact (ex a reddish orange design might be tagged as red and orange)
Pink/Magenta //
Red // 
Orange // 
Yellow/Gold //
Green/Forest Green // 
Mint // 
Icy Blue/Cyan/Turquoise/Teal // 
Blue/Indigo/Inky Blue // 
Purple/Lavender // 
White // Includes off-white colors, such as creams
Black/Grey/Silver //
Brown // If the brown leans strongly towards another color, that color might also be tagged
Pastel // Most if not all of the design has soft, pastel colors
Rainbow // 
RYB // design makes a point to use red (or sometimes pink), blue (or turquoise), and yellow (or gold) together
SHINY // Design has some sort of iridescent, pearlescent, holographic, crystalline, metallic, sparkling/glittering, or or other shiny quality about it.

By Element
Earth // 
Electric // 
Fire // 
Ice // 
Nature // 
Water // 
Wind // 

Page is always under construction, new tags are being added and rearranged every now and then.