the hand-shape-sign: 
the palm side down fist (相手に向け、伏せた拳)
the hand-position-sign: 
bringing the other sign to the center of the waist (ウエストの位置)

name: [do] do of donate ( ド )

ASCII: . (it has the same function as a period)

phonetic: [ function ]:

# As single: form: a period of a  phonetic sentence, used for recording a speech of some language.
# The C-c with this shows that c-c is pronounced as a single syllable.
(ことばを音声表記する場合のセンテンスの終止符。
また、これと重ねた記号は、独立した一音節として発音されることを示す)

definition (single): ( function ):
The grammatical symbol for punctuation: a period of a sentence,
as showing the end of a unit of sentence.
Putting before numeral(s), it represents a decimal point/period.
(文章の終止符。数字の直前に置くと､小数点)

main image of (in C-c):

1) Related to unit (単位にかかわって)
2) Some kind of basic unit (なにかの基準単位)

examples of C-c:

Related to unit(単位にかかわって)

{02(one),32}: unit (単位)
{57(wonder),32}: how much (by a unit) (いくら)
{33,32}: numeral(s) ( as a fundamental c-c ) (数)
{ + 57( ? )}: how many (numbers) (いくつ)
{ + 01( point )}: integer(s)/integral number(s) (整数)
    { + 27( plural )}: plural numbers (複数)
{ + 26( multiple )}: multiple number (倍数)
{ + 25( plus )}: positive number(s) (正数)
{ + 04( minus )}: negative number(s) (負数)
{ + n2,26( multiple )}: even number(s) (偶数)
{ + n2,06( opposite )}: odd number(s) (奇数)
{ + 16( dividing ){05,58}( impossible)}: prime number(s) (素数)
{29(material),32}: element (元素)
{{33,15}( language ),21( going ),32(  unit )}: sentence(s) (文法的な意味で「文」)
{{10（ place ),24( stable )}( land ),32}: nation/country (国)
{10,24,,32}(nation ),16}: state(s)/prefecture( a unit of division of a nation)(州、県)
{67( life ),32}: individual of life (生命個体)

Some kind of basic unit (なにかの基準単位)

{03 (length),32} : meter, the basic unit of the measurement of length (長さの単位メートル)
: kilometer ( km ), : centimeter ( cm ), millimeter ( mm )
{{10,42}( ocean ),03,32}: nautical[ sea ] mile (M./nm.) (海里)
{28 (square ),32}: square meter (平方メートル)
: square km (平方キロ), : square cm (平方センチ), : square mm (平方ミリ)
{50( 3D thing ),32}: cubic meter (立方メートル)
  {07(large), 50,32 (unit)}: 1000,000,000 cubic meter
  {08(small),50,32(unit)}: 0.000,000,0001 cubic meter
{47( container ),32}: the basic unit of capacity: liter/liter (リットル)
{18( downward ),51( power ),32}: the basic unit of weight: gram (グラム)
: kilogram, : ton
{51( power ),32}: the basic unit of power: newton ( N ) (力の単位・ニュートン)
{51,46( work ),32}: the basic unit of work: joule ( J ) (仕事の単位・ジュール)
  {51,{34,12}( electricity ),32}: electron volt ( eV ) (電力の単位ボルト)
{{34,12},42( flow ),32}: the unit of electric current: ampere ( A ) (アンペア)
{52( heat ),32}: the basic unit of temperature: degrees centigrade (摂氏温度)
{52,47( capacity ),32}: calorie (カロリー)
{{33,07}( pie-chart ),32}: %
: parts per hundred million ( ppm )
{{02,23}( light ),32}: degree of light: lux (明るさの度合い・ルクス)
{34,39}( eye ),46( function ),32}: degree of eyesight (視力の度)
{{36,39}( ear ),46( function )32}: degree of hearing (聴力の度)

:{32,36( time )}: (an) hour (the standard unit of the length of time.
If the standard will  be changed, the definition of the C-c will follow it too.) (時を計る基準単位：時間)

: {08( small ),32,36}: minute (分)
:{15( recognition),32,36}: second(s)( 15 is added for recognition of more detail) (秒)
: two hours 15 minutes 30 seconds 01(二時間１５分３０秒０１)

{42( wave ),{33,36}( frequency ),32}: audio frequency, ( Hz ) (周波数)
{{34(value),38(artificial)}(money),32}: price/cost/adding the country code in front,
dollar(s), yen, pond. etc. (価格、前に発行圏の文字を入れるとお金の単位、＄、円など)

{{17,33}( north ),32}: degree of northern latitude (北緯の緯度)
{{18,33}( south ),32}: the unit of southern latitude (南緯の緯度)
: {{33,19}( west ),32} 125.42: longitude 125.42 degrees West (西経125.42度)
{33,20}( east ),32} 12: : long. 12 degrees E (東経１２度)
{{33,21}( angle )32}: degree/angular (角度の度)
{21,32}: the basic unit of speed: meter per second( m/s ) (速さの基準単位、秒速)