Core

noun

• the tough central part of various fruits, containing the seeds
• the central or most important part of something, in particular.
• [often as modifier] the part of something that is central to its existence or character
• an important or unchanging group of people forming the central part of a larger body.
• the dense central region of a planet, especially the nickel-iron inner part of the earth.
• the central part of a nuclear reactor, which contains the fissile material.
• the muscles of the torso, especially the lower back and abdominal area, which assist in the maintenance of good posture, balance, etc.
• the inner strand of an electrical cable or rope.
• a piece of soft iron forming the center of an electromagnet or an induction coil.
• an internal mold filling a space to be left hollow in a casting.
• a cylindrical sample of rock, ice, or other material obtained by boring with a hollow drill.
• Archaeology a piece of flint from which flakes or blades have been removed.

verb
[with object]

• remove the tough central part and seeds from (a fruit)

Phrases
to the core
to the depths of one’s being
used to indicate that someone possesses a characteristic to a very high degree
Origin:
Middle English: of unknown origin

http://oxforddictionaries.com/us/definition/american_english/core
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When I attended The Gathering at Keystone a little over a month ago, I took part in a workshop in which I began to create a personal mandala.  This week, after intermittent progress over the last few weeks, I completed the piece.  It is my core. 

For this week, while it isn't the best photograph, I present you a visual entry, my core...