Taxonomy

Values (3)

• soloSolo— A single participant; self-stimulation or display posing.
• one_on_oneOne-on-one— Two participants.
• groupGroup— Three or more participants.

Values (7)

• vaginal_penetrationVaginal penetration— Penile or object vaginal penetration is the defining act.
• anal_penetrationAnal penetration— Penile or object anal penetration is the defining act.
• oralOral— Oral-genital or oral-anal contact is the defining act.
• manualManual— Manual stimulation (hand/finger) is the defining act.
• non_penetrativeNon-penetrative— Body-to-body contact without penetration (e.g. frottage, intercrural, tribadism).
• display_soloSolo display— Solo posing or self-stimulation for the camera; no partner contact.
• mixedMixed— Multiple simultaneous acts of comparable prominence (common in group positions).

Values (11)

• penetrating_on_topPenetrating partner on top— Penetrating partner above the receiving partner (e.g. missionary family).
• receiving_on_topReceiving partner on top— Receiving partner astride or above (e.g. cowgirl / woman-on-top family).
• from_behindFrom behind— Penetration or contact from the rear (e.g. doggy style, prone bone, spoons).
• seatedSeated— One or both partners seated (e.g. lotus, lap position).
• kneelingKneeling— One or both partners kneeling.
• standingStanding— One or both partners standing, possibly with support.
• side_lyingSide-lying— Both partners on their sides (e.g. spoons, lateral).
• invertedInverted— One partner partly or fully inverted (e.g. piledriver, suspended).
• head_to_toeHead-to-toe (mutual)— Reciprocal, oriented head-to-toe (e.g. 69).
• over_faceOver the face— One partner positioned above the other's face (e.g. facesitting).
• solo_arrangementSolo— Single participant; no partner arrangement.

Values (9)

• noneNone— No penetration.
• vaginalVaginal— Single vaginal penetration.
• analAnal— Single anal penetration.
• oralOral— Oral penetration.
• manual_insertionManual insertion— Hand or finger insertion.
• double_vaginalDouble vaginal— Two simultaneous vaginal penetrations.
• double_analDouble anal— Two simultaneous anal penetrations.
• double_penetrationDouble penetration (vaginal + anal)— Simultaneous vaginal and anal penetration by different partners.
• multipleMultiple / other— Three or more simultaneous penetrations, or a combination not otherwise listed.

Values (5)

• face_to_faceFace to face— Partners face each other.
• front_to_backFront to back— One partner's front to the other's back.
• head_to_toeHead to toe— Reversed, reciprocal orientation.
• side_by_sideSide by side— Partners aligned laterally.
• variableVariable— Orientation varies or is not fixed.

Values (5)

• static_holdStatic hold— A held pose with little movement; typical of print stills.
• thrustingThrusting— Reciprocating penetrative motion.
• grindingGrinding— Circular or rocking contact motion.
• ridingRiding— Receiving partner drives vertical motion from above.
• bobbingBobbing— Rhythmic oral motion.

Values (8)

• bed_flatFlat surface / bed— Horizontal surface such as a bed or floor.
• edge_of_surfaceEdge of surface— One partner at the edge of a bed or table.
• against_wallAgainst a wall— Wall used for bracing, usually standing.
• standing_unsupportedStanding, unsupported— Standing without external bracing.
• seated_furnitureSeated on furniture— Chair, couch, or similar.
• partner_supportedPartner-supported— One partner bears the other's weight (e.g. carried).
• suspendedSuspended— One partner suspended or largely off any surface.
• apparatusApparatus— Purpose-built furniture or apparatus is central to the position.

Values (4)

• oneOne— Solo.
• twoTwo— A pair.
• threeThree— Threesome.
• four_plusFour or more— Four or more participants.

Values (11)

• solo_fSolo (F)— One apparent-female participant.
• solo_mSolo (M)— One apparent-male participant.
• MFM/F— One apparent-male and one apparent-female participant.
• FFF/F— Two apparent-female participants.
• MMM/M— Two apparent-male participants.
• MMFMMF— Two apparent-male, one apparent-female.
• FFMFFM— Two apparent-female, one apparent-male.
• MFMMFM— Male-female-male arrangement (positional variant of MMF).
• FFFFFF— Three apparent-female participants.
• MMMMMM— Three apparent-male participants.
• group_mixedGroup (mixed)— Four or more, mixed or unspecified make-up.

Values (4)

• r00
• r11
• r22
• r3_plus3+

Values (4)

• p00
• p11
• p22
• p3_plus3+

Values (4)

• videoVideo— Primarily a moving-image position (motion is intrinsic).
• magazineMagazine / print— Primarily a still-image display pose.
• bothBoth— Common in both video and print.
• illustrativeIllustrative— Chiefly a reference or diagrammatic depiction.

Values (8)

• pov_penetratingPOV (penetrating)— Point-of-view from the penetrating partner.
• pov_receivingPOV (receiving)— Point-of-view from the receiving partner.
• side_profileSide profile— Lateral full-body framing.
• overheadOverhead— From above.
• low_angleLow angle— From below.
• rearRear— From behind the receiving partner.
• close_upClose-up— Tight framing on the point of contact.
• wide_full_bodyWide / full body— Both participants fully in frame.

Values (4)

• lowLow— Comfortable and sustainable for most people.
• moderateModerate— Some flexibility or stamina required.
• highHigh— Notable flexibility, strength, or balance required.
• advanced_athleticAdvanced / athletic— Demanding; often performed for camera rather than comfort.

Values (4)

• very_commonVery common
• commonCommon
• occasionalOccasional
• nicheNiche

Values (3)

• illustrativeIllustrative— Clothed or diagrammatic; safe for general reference.
• suggestiveSuggestive— Implied or partially clothed; no explicit act depicted.
• explicitExplicit— Adult/explicit act depicted. Gate behind an age-verified surface.

Values (17)

• standingStanding— Upright, weight on both feet. Profile, facing +x.
• kneelingKneeling (upright)— Upright torso, weight on the knees, shins back along the ground. Profile, facing +x.
• kneeling_sitKneeling, sitting on heels— Kneeling with the pelvis lowered onto the heels. Profile, facing +x.
• seatedSeated— Sitting on the ground, knees raised. Profile, facing +x.
• seated_lapSeated on lap— Upright seat on a partner's lap, legs wrapped forward around them. Profile, facing +x.
• supineSupine— Lying on the back, body horizontal, face up. Profile, head-left.
• supine_legs_upSupine, legs raised— On the back with hips flexed, knees up and ankles raised. Profile, head-left.
• proneProne— Lying face down, body horizontal, forearms under. Profile, head-left.
• plank_overPlank over— Body inclined over a lying partner: arms extended to the ground, knees down, hips low. Profile, head-left.
• all_foursAll fours— On hands and knees, torso horizontal. Profile, facing +x.
• side_lyingSide-lying— Lying on one side, knees drawn forward in a shallow Z. Profile, head-left.
• astrideAstride (kneel-straddle)— Kneeling straddle over a horizontal partner, torso upright, shins back. Profile, facing +x.
• invertedInverted (shoulder-stand)— Shoulders and head on the ground, hips raised vertically, legs folding back. Profile.
• squat_overSquat over— Standing deep squat above a partner, knees strongly bent. Profile, facing +x.
• arch_supineArched supine— On the back with hips lifted and back arched, feet planted (display arch/bridge). Profile, head-left.
• standing_bentStanding, bent over— Standing with the torso folded forward at the hips, hands toward the floor or a support. Profile, facing +x.
• standing_carryCarried (standing)— Held off the ground by a standing partner, torso upright, legs wrapped or held forward. Profile, facing +x.

Values (8)

• nudeNude— No garments.
• accessories_onlyAccessories only— Jewellery, footwear, or hosiery only; no torso or hip coverage.
• toplessTopless— Chest uncovered, hips covered.
• bottomlessBottomless— Hips uncovered, torso covered.
• sheerSheer— Covered by transparent or semi-transparent fabric.
• lingerieLingerie / swimwear— Minimal opaque coverage of chest and hips.
• partially_clothedPartially clothed— Some outer garments removed; underwear or a partial outfit remains.
• clothedClothed— Fully dressed in ordinary clothing.

Values (8)

• intactIntact— Garments worn normally.
• pulled_asidePulled aside— A garment is displaced sideways without removal.
• pushed_upPushed up— A garment is raised above its normal position.
• pulled_downPulled down— A garment is lowered below its normal position.
• unfastenedUnfastened / open— Closures released; the garment hangs open.
• half_removedHalf removed— Partly off the body, still attached at a limb.
• disorderedDisordered— Rumpled and out of place without a specific displacement.
• tornTorn— Fabric damaged.

Values (11)

• noneNone
• lingerie_setLingerie set
• hosieryStockings / hosiery
• swimwearSwimwear
• casualCasual wear
• formalFormal wear
• uniformUniform / occupational
• fetish_gearFetish gear
• costumeCostume / character
• footwear_onlyFootwear only
• jewellery_onlyJewellery only

Values (15)

• studio_seamlessStudio (seamless)— Plain backdrop, no environmental detail. The default for reference and catalogue imagery.
• bedroomBedroom
• bathroomBathroom / shower
• living_spaceLiving room / kitchen
• hotelHotel room
• officeOffice
• casting_roomCasting / audition room— Sparse room with a couch and a visible camera rig; a recognised adult-media set convention.
• gymGym / locker room
• poolPool / spa
• vehicleVehicle interior
• outdoor_naturalOutdoor (natural)— Beach, forest, field.
• outdoor_urbanOutdoor (urban)— Street, rooftop, alley.
• club_stageClub / stage
• industrialIndustrial / warehouse
• fantasy_setFantasy / constructed set— Non-naturalistic environment built for the depiction.

Values (9)

• soft_keySoft key— Large diffuse source; gentle shadow edges.
• hard_keyHard key— Small undiffused source; crisp shadow edges.
• window_naturalNatural window— Daylight through a window; directional and soft.
• low_key_rimLow key / rim— Dark field with an edge-defining backlight.
• practical_ambientPractical / ambient— Lit by lamps visible in the scene.
• neon_colourNeon / coloured— Saturated coloured sources.
• on_camera_flashOn-camera flash— Direct frontal flash; flat subject, hard background shadow.
• candle_firelightCandle / firelight— Low warm flickering source.
• overcast_flatOvercast / flat— Even shadowless illumination.

Values (8)

• studio_professionalStudio professional— Crewed shoot; controlled light, clean framing, full-frame lens character.
• amateur_handheldAmateur handheld— Consumer camera, available light, imperfect framing.
• phone_selfiePhone selfie— Front-facing phone camera held at arm's length; wide lens distortion.
• mirror_selfieMirror selfie— Phone photographed in a mirror; the device is visible.
• webcam_streamWebcam / stream— Fixed low-mounted webcam, compressed, front-lit by a screen.
• film_vintageFilm / vintage— Analogue grain, period colour, softer resolution.
• editorial_glamourEditorial glamour— Magazine production values; retouched, styled, deliberate.
• surveillance_lookSurveillance look— High-mounted fixed wide camera, low frame rate, monochrome or desaturated.

Values (6)

• unspecifiedUnspecified
• morningMorning
• middayMidday
• golden_hourGolden hour
• duskDusk
• nightNight

Values (8)

• at_viewerAt viewer— Direct eye contact with the lens.
• at_partnerAt partner— Looking at another participant.
• awayAway— Looking off-frame, no specific target.
• upwardUpward— Eyes raised.
• downwardDownward— Eyes lowered.
• over_shoulderOver shoulder— Head turned back toward the lens or partner behind. Characteristic of from-behind arrangements.
• eyes_closedEyes closed— Eyes shut.
• obscuredObscured— Face not visible or covered.

Values (9)

• neutralNeutral
• smilingSmiling
• playfulPlayful / teasing
• sultrySultry— Half-lidded, composed, deliberate.
• focusedFocused— Concentrated, absorbed in the act.
• pleasure_restrainedPleasure (restrained)— Contained reaction; brow and mouth engaged, composure held.
• pleasure_overwhelmedPleasure (overwhelmed)— Loss of composure; brow raised, mouth open, eyes rolled or shut. Corresponds to the folksonomy term rendered as 'ahegao' in anime-domain tagging.
• surprisedSurprised
• distressedDistressed— Reads as discomfort or unwillingness.

Values (6)

• closedClosed
• partedParted
• openOpen
• tongue_outTongue out
• biting_lipBiting lip
• occupiedOccupied— Mouth engaged in the act.