At a Glance
Variables are the most advanced level of Human Design. They describe four fundamental aspects of how you function:
- How you digest (PHS — Primary Health System)
- What environment nourishes you (Environment)
- How your brain processes information (Cognition/Perspective)
- What deeply motivates you (Motivation/Transference)
Variables are read from the 4 arrows at the corners of the bodygraph: top left (digestion), bottom left (environment), top right (perspective), bottom right (motivation).
The Arrows: Left vs Right
Each arrow points either left (←) or right (→). This orientation is fundamental:
| Direction | Meaning | Characteristic |
|---|---|---|
| ← Left | Active, focused, strategic | The mind directs the process |
| → Right | Receptive, peripheral, passive | The body guides, the mind observes |
Important: "passive" doesn't mean "weak." It means the process works best when you don't consciously control it.
PHS — Primary Health System (top left arrow)
PHS describes the optimal conditions for your body to digest food and information. It's not a diet — it's a digestive environment.
The 6 Determinations
| Determination | Optimal Condition | Practice |
|---|---|---|
| Appetite | Eat when hunger is real, not by habit | No fixed schedules, listen to the body |
| Taste | Flavor guides food choice | Favor naturally flavorful food, avoid bland |
| Thirst | Hydration is primary | Drink before and during meals, hydrating foods |
| Touch | Tactile environment during meals | Physical comfort, pleasant textures, calm |
| Sound | Sonic environment during meals | Eat in silence or soft music, no TV |
| Light | Brightness during meals | Natural light, avoid fluorescents, eat outdoors when possible |
Left vs Right in PHS
- ← Left: you can actively choose your conditions. Following a plan works.
- → Right: conditions must arrive naturally. Forcing a food routine is counterproductive.
Environment (bottom left arrow)
Environment describes the type of physical space that nourishes your energy. It's not "where you live" — it's what quality of space makes you function best.
The 6 Environments
| Environment | Quality | Practice |
|---|---|---|
| Caves | Enclosed, protected spaces with controlled view | Office with one window, back to wall, cocoon space |
| Markets | Open, varied, stimulating spaces | Cafés, coworking spaces, places with traffic |
| Kitchens | Transformation spaces, where things are made | Workshops, labs, creative spaces, actual kitchens |
| Valleys | Low spaces, protected by heights around | Ground floor, natural valleys, sheltered spaces |
| Mountains | Elevated spaces with wide views | High floors, hills, open elevated spaces |
| Shores | Transition spaces, between two elements | Near water, on edges, city/nature transition zones |
Left vs Right in Environment
- ← Left: you can actively choose and create your optimal environment.
- → Right: the environment must find you. You instinctively feel when the space is correct.
Cognition/Perspective (top right arrow)
Perspective describes how your brain optimally processes information.
The 6 Perspectives
| Perspective | Processing Mode | Practice |
|---|---|---|
| Smell | Instinctive perception, "this smells good/bad" | Trust first impressions, survival instinct |
| Taste | Sensory discrimination, distinguishing nuances | Fine analysis, attention to qualitative details |
| Outer Vision | Big picture, panorama | Needing to see the global context before details |
| Inner Vision | Internal focus, visualization | Closing eyes to understand, mental images |
| Feeling | Emotional intelligence, feeling information | Understanding through empathy, reading between lines |
| Touch | Kinesthetic intelligence, learning by doing | Understanding by manipulating, moving, touching |
Left vs Right in Perspective
- ← Left: you can consciously direct your attention. Intentional focus works.
- → Right: information comes to you. Forcing focus is counterproductive — let peripheral perception work.
Motivation/Transference (bottom right arrow)
Motivation describes the deep force driving you to act. Transference is the distortion of this motivation when you're conditioned.
The 6 Motivations
| Motivation | Driving Force | Transference (distortion) |
|---|---|---|
| Fear | Survival, avoiding danger | Becomes paranoia or paralysis |
| Hope | Possibility, future potential | Becomes naivety or denial |
| Desire | Attraction, wanting to experience | Becomes obsession or addiction |
| Need | Necessity, filling a gap | Becomes greed or accumulation |
| Guilt | Responsibility, contributing | Becomes martyrdom or over-responsibility |
| Innocence | Pure curiosity, openness | Becomes unconscious manipulation or dangerous naivety |
Left vs Right in Motivation
- ← Left: motivation is conscious and directed. You know why you act.
- → Right: motivation operates in the background. Trying to control it distorts it into transference.
The 16 Variable Profiles
The 4 arrows combined create 16 Variable profiles:
| Combination | Nickname | Characteristic |
|---|---|---|
| ←←←← | Quad Left | Entirely strategic, active mind, focused |
| →→→→ | Quad Right | Entirely receptive, body guides, peripheral |
| ←←→→ | Left/Right Split | Strategic in body (PHS/Env), receptive in mind |
| →→←← | Right/Left Split | Receptive in body, strategic in mind |
| And 12 other mixed combinations |
Tip: count left arrows. More lefts = more "active/strategic" functioning. More rights = more "receptive/passive" functioning.
Variables and Neurodiversity
Variables add a layer of understanding particularly useful for neuroatypical profiles:
Gifted with many right arrows: the gifted person trying to control everything mentally while their Variables ask for receptivity → exhaustion. Deconditioning means releasing the mind and trusting the body.
HSP with "Sound" or "Light" PHS: the HSP's sensory sensitivity is confirmed by PHS — the digestive environment needs sonic calm or natural light. It's not being fussy, it's the design.
ADHD with "→ Right" Perspective: peripheral perception is the natural mode. Forcing linear focus (← Left) is counterproductive. ADHD with right Variables works best letting attention float.
Multipotentialite with "Desire" or "Innocence" Motivation: the natural motivation is exploration — not transference into obsession, but authentic curiosity jumping from subject to subject.
Connection with Shinkofa
Variables are the most personalized level of the Shinkofa profile. Shizen uses your 4 arrows to refine daily recommendations: meal timing and context (PHS), optimal workspace (Environment), how to present information (Perspective), and understanding what truly motivates you vs conditioned transference. Crossed with MBTI and ND profile, this creates a personalization level no other platform offers.