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Touch Guidelines
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Purism Touch (PT) framework is new visual language for
touch screen devices that shares visual principles of Gnome
Desktop and reflects it to new context of mobile devices
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running Free & Open Source Operating System PureOS.
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|pic1| |pic2|

.. |pic1| image:: gesture_pics/p2f1.png
   :width: 300px
   :height: 550px


.. |pic2| image:: gesture_pics/p2f2.png
   :width: 300px
   :height: 550px

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**Single hand gesture range**
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Average thumb movement comfortable reach.
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Majority of users prefer use one hand for
interacting with mobile apps and system
interface. The position of a action target with
respect to the thumb radius impacts
performance and general experience of touch
interface.

**Touch Target Area**

Regarding action targets like links, buttons,
sliders and other UI elements, comfortable
space would not be less than physical square
7x7 - 9x9mm and cozy space of 14x14mm.