The encyclopedia

ONE TERM.
A WHOLE MAP.

Plain definitions, visual comparisons, alternative names, and useful next steps without turning every synonym into another thin page.

Foundation collection

Find the concept you mean.

Filtering stays in your browser. The text is not sent to an application API, saved, or added to analytics.

Browse the Sex & Relationship Glossary

CCommunication & consent

Consent

What makes agreement free, informed, specific, ongoing, and possible, with examples and source notes.

Read the full entry →

KFantasies & kinks

Kinks

A visual family map for kink, fetish, BDSM, sensation, power, roleplay, and the overlaps between them.

Explore the kink map →

BRestraint & power

Bondage

Meaning, emotional appeal, a format-versus-feeling map, and clear differences between bondage, BDSM, D/s, fetish, and roleplay.

Open the Bondage map →

B/D/S/MCluster hub

BDSM & Power Dynamics

Choose a route by question: understand the term, explore a role, discover an activity, talk about boundaries, or continue to a private tool.

Enter the BDSM hub →

D/sRoles & power dynamics

Dominant, Submissive & Switch

Compare authority roles with action roles, map six styles, and see how role can change across people, scenes, and time.

Compare the roles →

PWords & attention

Praise Kink

Meaning, psychology, five kinds of praise, a tone-and-timing map, and 30 original phrase starters.

Open the Praise Palette →

RDesire & arousal

Responsive Desire

Responsive versus spontaneous desire, a five-step sequence, desire weather, and better initiation translations.

See how desire starts →

AAttraction & identity language

Asexuality Spectrum

A respectful guide to attraction, desire, behavior, optional terms, and language that leaves room for a person to lead.

Read the guide →

TDesire & arousal

What Turns People On?

The Spark Map: person, attention, story, dynamic, sensation, context, and the brakes that can quiet them.

Map the spark →

OPleasure & the Body

Orgasm Basics and Common Myths

A visual guide to arousal, pleasure, orgasm, satisfaction, body responses, different experiences, and seven myths worth retiring.

Understand the peak →

CRelationships & desire

Sexual Compatibility

Seven dimensions of sexual fit, four kinds of difference, a research snapshot, and a private 12-question check-in with no score.

Build the shared map →

WPhysical attraction

What Men Find Attractive in Women

A full-body zone map, face and movement cues, female body-shape research, and four preference profiles from a 2026 study.

See the attraction map →

MPhysical attraction

What Women Find Attractive in Men

Face, hair, shoulders, hands, movement, and an accessible chart of women's preferred development across 14 muscle groups.

See the attraction map →

ERelationship structures

Ethical non-monogamy

The wider ENM umbrella, a comparison of common structures, and a five-dial map for seeing what the label does not reveal.

Explore the ENM map →

CEmotions & relationships

Compersion

What it means, how it can coexist with jealousy, and a visual map of five feelings that can share one moment.

Open the emotion map →

SCouple-centered ENM practice

Swinging

Meaning, soft swap versus full swap, the four-switch Night Map, first-time questions, and the labels around it.

Explore Swinging →

RFantasies & kinks

Sexual roleplay

Meaning, psychology, three levels of immersion, a scenario map, and a private tool that builds your creative direction.

Enter the roleplay map →

FFantasies & kinks

Sexual fantasies

What makes a fantasy compelling, six emotional engines, common theme families, and a private compass for finding the feeling beneath the plot.

Open the Fantasy Engine →

10Fantasies & kinks

Types of sexual fantasies

A visual map of ten overlapping theme families, with original examples, a comparison table, and paths into deeper topics.

Browse the fantasy map →

HRelationship dynamics

Hotwife

Meaning, common versions, the psychology behind the fantasy, and the dials that change its emotional centre.

Read the Hotwife deep dive →

CRelationship dynamics

Cuckold

How perspective, watching, power, vulnerability, and the partner's role can create different versions of the fantasy.

Read the Cuckold deep dive →

SRelationship dynamics

Stag & Vixen

A couple-led dynamic built around confidence, shared identity, outside attention, and the feeling of playing as a team.

Read Stag & Vixen →

H/C/SVisual comparison

Hotwife, Cuckold, or Stag & Vixen?

Move the camera between her experience, the partner's reaction, and the couple as a team, then try the six-question discovery map.

Compare the dynamics →

Taxonomy promise

Different words can lead to one honest answer.

Alternative names improve discovery without forcing every synonym into a duplicate page.

Recognize the wording

Natural, clinical, historical, and common alternatives can map to one stable concept.

Clarify the scope

Each entry says what it covers, where terms overlap, and which concept may fit better.

Offer the next step

Every route should lead to a useful entry or glossary term—not an empty promise.