the hand-shape-sign:
the dome shaped hand (手をドーム状に)
the hand-movement-sign
draw an upper half circle with the other signed hand (他のサインの手で上半円を描く)

name: [fa] fa sound of father, without extension of the vowel ( ファ )

ASCII: N (meaning Nature)

phonetic value: [ f ] ( voiceless labiodental fricative )

definition (single): nature (自然)

main images in base overlays:

1) Related to 'nature' distinguishing varying meanings in the wide 'nature' by the other character
(自然にかかわって)
2) Relate to sky (空にかかわって)
3) Related to the fundamental character, brain (象形文字の脳にかかわって)
4) To form a picture-like fundamental character or related to the curved shape
(象形文字を構成するか､記号の形のみにかかわって)

Related to 'nature' distinguishing varying meanings in the wide 'nature' by the other character (自然にかかわって)

{36(time),37} (time of nature): season (季節)
{36,37,17(up)}: spring (as a season) (春)
{36,37,20(out)}: summer (as a season) (夏)
{36,37,18(down)}: fall (as a season) (秋)
{36,37,19(in)}: winter (冬)
{37,49(quality)}: natural quality/constitution, nature (素質・性格)
{37,40(balance)}: natural regulation (自然の秩序)
{37,47(accepted)}: harvest (収穫)
{37,48(cover)}: nature environment (自然環境)
{37(natural condition),67(life)}: safe (安全)
{37,68(heart)}: peace of mind, feel relieved (vi. with #gd), set (someone) at ease (vt. with ge) (安心)
{37(natural),55(want)}: natural desire, instinct (本能)
{37,{16(separated),45(relation)}: kind (sort of nature) (種族)
{37,30(show),09(thing)}: natural phenomenon (自然現象)
{37,53(situation)}: natural (自然な)
{37,60(truth)}: natural truth (自然の真理)
{37,60,14(way)}: science (科学)
{37,54(existence)}: wildness (野生)
{37(naturally),41(move)}: free (自由)
{10(place),37}: nature (the world of nature) (自然界)
{38(human made){10,37}}: garden (庭)
{34,44}(public),38,{10,37}}: public garden: park (公園)
{17(above),37(nature)}: celestial (not the meaning of Chinese old culture) (天)
{20(out),37}: super natural (超自然)
{{17,37},20(out),10(place)}: Heaven (天上界)
{18(below),37}: underground (地下)
{{18,37},20(out),10(place)}: Hell (地獄)
{{01,51}swollen, 37}: mountain/hill (山)
{{(01),37,51}(mountain),07(big)}: great mountain (高山)
{(mountain),08(small) }: hill (丘)
{(mountain),35(continuous)}: a mountain range (山脈)
{01,52}(hollowed),37}: valley (谷)

  Relate to sky (空にかかわって)

{37,70(space)}: sky, the atmosphere (as the fundamental character) (空)
{{37,70},53(condition)}: weather (at a time) (天気)
{37,42(wave): cloud (as the fundamental character) (雲)
{37,42,70}(clouds in the sky): cloudy (曇り)
{08(less),{37,42,70}}: little cloudy (薄曇り)
{05(denied),{37,42}}: (the weather) become fine (clouds go away) (vi. with gd) (雲がなくなる)
{{37,70},44(opened/a part of 'the sun')}: clear sky (晴れ)
{{37,70},41(move)}: movement of weather (空模様)
{12friction,{37,70}(sky)}: haze, hazy (もや)
{38(artificial){12,37,70}}: smog (スモッグ)
{{37,70}sky, {12,34}electric}: electric phenomenon in the sky: thunder/lightening (雷)
{{12,34,37,70}{02,23}(light)}: lightning (稲妻)
{{12,34,37,70},42(a part of 'sound')}: thunder (雷鳴)
{37,59(water)}: rain ( as the fundamental character ) (雨)
{{37,59},63(gentle)}: drizzling rain (小雨)
{{37,59},64(very),07(much)}: heavy rain (豪雨)
{{37,59},24(solid)}: snow (雪)
{37,{01(dot).59}(vapor)}: fog (霧)
{{18,37}(underground),59(water)}: ground water (地下水)
{28(surface),37,59}: dew (露)
{24(solid)28,37,59}: frost (霜)
{37,42,59,64,70}(combination of rain, wind, cloud and violent):gale, rainstorm (暴風雨)

Related to the fundamental character, brain (脳にかかわって)

{34,37}(the shape of important thing covered by scull): brain, consider (vi. with gd),
raise a question (make someone's brain work) (vt. with #ge) (脳、D動詞：思考・計算する、E動詞：考えさせる)
{{34,37},{01,09}(item)}: idea (アイデア)
{14(way),{34,37}}: formula (thinking method) (思考法)
{{34,37},47(accept)}: memory, memorize (v. with gd) (記憶)
{{34,37},21(heading to)}: think about (v. with gd)(考える)
{38(artificial),{34,37}(brain)}: computer (コンピュータ)
{{38,34,37},47(accept)}: computer memory (コンピュータ・メモリー)
{{38,34,37}, {15(recognition),16(separated, parts)} analysis}:
computer analysis, analyze with computer (v. with gd) (コンピュータ解析)
{{34,37},10(place)}: headquarters (the place where the total decisions are made in a society) (司令部)
{{34,37},42(wave)}: brain waves (脳波)

To form a picture-like fundamental character or related to the curved shape
(象形文字を構成するか､記号の形のみにかかわって)

{37,39}: dome (ドーム)
{31(shape),37}: a curved shape, curving (曲がった)
（木）{37,66(plant)}: tree (木)
{14,{37,66}}: trunk (幹)
{{14,34}(pipe){37,66,}: bamboo (竹)
{38(human growing){37,66}}: forestation (植林)
{{37,66},26(group),10(place)}: forest (森)
{{37.70}(sky),{23,(70)}(parts of 'bird'} (as the total shape also): wings (翼)

. . .