The 9 Centers of the Bodygraph
The nine centers are hubs of energy and information. Defined centers are your consistent, reliable nature; undefined centers are where you take in, and can be conditioned by, everyone else. Knowing the difference is half of Human Design.

The Head Center
The Head center is the pressure to think in Human Design. Learn defined vs. undefined Head meaning, its three gates, and whose questions you answer.
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The Ajna Center
The Ajna is the mental awareness center in Human Design. Learn what defined vs. undefined Ajna means, its six gates, and why the mind is not your authority.
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The Throat Center
The Throat is the manifestation hub of the Human Design bodygraph. Learn what defined vs. undefined Throat means, its 11 gates, and how your voice works.
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The G Center
The G center governs identity, love, and direction in Human Design. Learn defined vs. undefined G meaning, its eight gates, and why place shapes your path.
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The Heart (Will) Center
The Heart (Will) center is the willpower motor in Human Design. Learn defined vs. undefined Heart meaning, its four gates, and how to stop proving your worth.
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The Spleen Center
The Spleen is the body's awareness center in Human Design: intuition, instinct, well-being. Learn defined vs. undefined Spleen, its seven gates and fears.
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The Sacral Center
The Sacral is the life-force motor of Human Design: work, response, sustainability. Learn defined vs. undefined Sacral, its nine gates, and avoiding burnout.
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The Solar Plexus Center
The Solar Plexus is the emotional motor and awareness center in Human Design. Learn the emotional wave, defined vs. undefined meaning, seven gates, and clarity.
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The Root Center
The Root is the pressure-and-motor center of Human Design: stress fuel and adrenaline. Learn defined vs. undefined Root, its nine gates, and using pressure.
Read more →Each center page now also covers its physical-body correlation. See the Human Design medical astrology reference for the full picture.
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