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.^~*=%££## gull call.                    .      . ^ ##££%=*~^.
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.^~*=%£££# the seagull is  a  metaphysics  trick; a #£££%=*~^.
.^~*=%£££# world-builder's  shortcut,  to define  a #£££%=*~^.
....^^^*=£ section of  reality  and imply its size: £=*^^^....
.^^~~*=%£# place a flock of  birds at  the edge and #£%=*~~^^.
.^~*=%££## make  their  calls  tesselate  over  the ##££%=*~^.
....^**=%£ entire volume                            £%=**^....
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.^~*=%££## a seagull  can be  defined by as  little ##££%=*~^.
...^~~*%%£ as  five  vertices;  six  triangles.  (i £%%*~~^...
.^~*=%££## would recommend  handling in  swarms  of ##££%=*~^.
..^^~~===£ at least a dozen birds.)                 £===~~^^..
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