57

the hand-shape-sign:
The upward index curls like the basis shape (人差し指をまげて記号を象形)
the hand-movement-sign:
Draw the basis shape in one stroke starting from the round part.
(曲線から描きはじめる)

name: [ke] ke sound of kettle ( ケ )

ASCII: ?

phonetic: unused

definition (single):
The basic meaning is 'question: a condition that is not clear; doubted'.
As the head of interrogative sentence, is used. (see here for  the details and examples)
As the tail of a sentence which the talker is wondering/doubts about, is used.
Also this single form is used to show a questionable point, positioning on the head of the word.
(｢疑問｣の意味をもつ。
文頭の で疑問文を示す。疑問文のなかの疑問の焦点の語の前にも を置く。
文末に を置くと、その文のように話し手は考えるが「どうか？」とたずねる疑問の形式になる。
例文は、文法を参照してください）

verb:

vi. ( the subject ) is doubted (（なにかが）疑問とされる)
vt. perplex/doubt (（主語がなにかを）疑問におもう)
{gd,57} or {ge,67}: the talker has a question about 'the verb' with these verb symbols.
（話し手が、これらを伴う動詞の部分についてわからないことを示す)

main image (in C-c):
1) Related to 'doubted' (疑いに関係)
2) To form interrogative pronouns (疑問代名詞)
3) Related to some kind of 'wonder/question' (なぞ・ふしぎ)
4) Related to child as the life-time (子供にかかわって)

examples of C-c:

{05( not ),57}: undoubted/clear (疑いない)
{31( shape ),57}: obscure (不明瞭)
{07( much ),57}: doubtful (疑わしい)
{08( less ),57}: doubtless (疑問が少ない)
{06( opposite ),57}: believed (信じ込まれた)
{57,21(heading)}: get lost, stray (vi. with  #gd) (D動詞：方向に迷う)
{57,{21,68}( intention )}: perplexing, be puzzled (vi. with #gd), puzzle (vt. with #ge) (心の迷い)
{57,68( heart)}: suspicion, suspicious (疑惑)

Some interrogative pronoun (疑問代名詞)
{09( intangible thing/ forming a noun ),57}: what (happens) (何ごと)
{57,50( tangible thing ) }: what (kind of things) (なに、どんなもの)
{57,65( person )}: who/whose (だれ、誰の)
{57,36( time)}: when (いつ)
{57,14( through/way)}: how (どうやって)
{57,10( place)}: where (wondering where the place is) (どこ)
{57,22(origin/cause)}: why (なぜ)

{15( recognition),57}(not clear but recognizable): some/any (なにか)
{{15,57},09(intangible thing)}: something (to happen)/anything (なにかのこと)
{{15,57},50(tangible thing)}: something (to be seen or touched)/anything (なにかのもの)
{{15,57},10( place )}: somewhere/anywhere (どこか)
{{15,57},65( person )}: someone/anyone (だれか)
{{15,57},36( time )}: sometime/anytime (いつか)

{34( a part of 'money/value' ),57}: how much (money or value) (いくら)
{{33,32}(numeral) 57}: how many (numbers) (いくつ)
{{33,32},36time,57}: how many times (何回)
{{36,70}a period/time-length,57}: how long (for a period) (どのくらい長い期間)
{30( indicated ),57}: which (どちら)
{10( place ),30,57}: what place (more specific than where) (どちらの場所)
{36(time),30,57}: what time (何時)
{65(person),30,57}: which person (どの人)

Related to some kind of 'wonder/question' (なぞ・ふしぎ)

{55( request ),57}:  ( making ) a question/ ask, inquire (v. with #gd) (質問)
{06(opposite of the meaning) of {55,57}}( question )}: an answer, solve (v. with #gd) (解答)
{38( created),57}: a puzzle, (パズル)
{37( nature  ),57}: mystery (神秘)
{{37,57}{21,14}(way)}: magic, elixir (魔術・錬金術)
{35( infinite ),57}: never solved mystery (永遠の謎)
{57,54( existence )}: goblin (妖怪)
{57,29( elemental material )}: unknown material (未知物質)
{53( condition ),57}: odd/strange/ weird (奇態)
{57,{39,68}(feeling)}(unclear what one feels): blank surprise, be stupefied (v. with #gd) (呆然)
{57,67( life )}: child (early life time surrounded many 'wonders' to live) (早期の命・こども)
{57,67,{13,15}( similar )}: childish (こどもじみた)
{57,67,{38,66}(sprout: very early life )}: baby 
(also this total shape looks like a baby wrapped by clothes) (赤ん坊)