Two vertical parallel lines symbolizes a way which something goes through.
(なにかが間を通り抜ける「通路」を示す２本線)
* The width of lines has been slightly thinner than original. (since May, 2006)
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the hand-shape-sign:
straight up the extended index and middle fingers,
the back of the hand faces to the hand owner (指は開かない)
the hand-movement-sign:
drawing the base from the upper one side connecting the two lines
diagonally
(一方の上から図のように続けて)
name: 
[ lo ] (lo
sound of loan) ([ l ]子音のロ)
ASCII: # (there are parallel lines in this symbol)
phonetic value: [ l ]
(alveolar lateral approximant, and works as the lateral release diacritic in a base overlay )
(舌の側面から息を抜く発音。重ね文字では、相手の音韻を側面音化する。)
definition (single): passing through , a way (n.) (道・方法)
verb:
vi. pass through, go through (通る)
main images in base overlays:
1) Related to 'going through' (通じることに関係)
2) To mean a 'way' in which something goes through (何かが通る手段)
3) To mean a 'way/method/manner' ( to do something ) (手段・方法)
4) Related to some width ( by the symbol shape ) (文字の形から、「幅」に関係して)
5) Because of the plural long lines, it joins to form picture-like characters
related to parallel vertical lines or a thick long thing, forgetting its original meaning.
(文字の形から、複数ある線状のもの、または幅があるか､太くて長いものの重ね文字構成に役立つ)
examples of base overlay:
Related to 'going through' (「通」にかかわって)
{01(pointing) in the middle of 14}: halfway, on the way (with gc) (途中)
{15(recognition),14}: I see (as the independent usage), consent,
understanding, understand (v. with gd) (わかる) 
{16(parts),
14}: process (過程)
{
meaning, 14}: theory (論理) 
{05(denied),14}: closed, lock out (通じない)
{06(opposite),14}: stopper {tap, cork, barricade etc.} (vt. with #ge) (栓)
{09(intangible things),14(going through)}: transmission, transmit( vt.
with ge) (伝達)
{14,22(origin)}: reason (理由)
{14,26(piled)}: experience (経験)
{{15,33}(language),14}: correspondence, communication (対話交流)
{,44(open)}:
formal greeting for starting a communication time as a conference (開会の挨拶)
{,43(close)}:
formal greeting for closing a meeting (閉会の挨拶)
{{15,30}
information, 14}: message
{14,44(spread)}: advertisement/propaganda, advertise/propagate (vt. with
ge) (宣伝)
{61(front),14}: learning, learn (v. with gd) (学び)
{, 65 person}: student
{14,
62(behind)}: instruction, instruct (v. with gd) (指導)
{, 65 person}: teacher/instructor
{14,35(continuous long)}: tradition (伝統)
{14 way, life continuation}: culture (文化)
{67(life),14}: relative (親族)
{68(heart),14}: friendly (友情)
{14,{34,65}(member)}: friend (友達)
{14,12(friction)}: interfere, disturb, interrupt (v. with gd) (邪魔)
{14,70(air,
space)}: going over (超・越)
{14,70,10(place)}: bridge (橋) 
{14,23(change)}: a switch (スウィッチ)
{14,23,25(plus)}: turning on a/the switch (スウィッチを入れた状態)
{14,23,04(minus)}: turning off a/the switch (スウィッチを切った状態)
To mean a 'way' in which something goes through (何かが通る手段)
{10(place),14}: road (道・道路)
{10,14,41(move)}: moving road (動路)
{{10,14{,{41,47}car}: roadway (車道)
{(10,13}(levels),14}: stairs (階段)
{10,14,{03,31}(diagonal)}: slope, uphill road (坂道)
{10,13,14,41}: escalator (エスカレーター)
{17(up),18(down),10.14}: elevator (エレベーター)
{10,14,26(piled, crossing)}: intersection, crossroad (交差点)
{{10,14},03(line)}: a (traffic) lane (路線・車線)
{n2,
03, {14, 10}(road)}: a two lane road (二車線道路)
{{03,10,14},24 settled, 03(line)}: rail way (鉄道)
{{03,10,14},24 settled, 02(one),03(line)}: monorail
{{10,14 of
59(water)}: canal (運河)
{10,{14,70}(going over)}: bridge (橋)
{{10,(14)}(road),{14,34}(pipe)}: tunnel (トンネル)
{10,14,41(move)}: moving road (動路)
{14
in this case, the rails shape, {41,47}vehicle}: train (レールを走る乗り物)
{02(one),14 in this case, the rails shape, {41,47}vehicle}: monorail-car
{59(water),14}: water supply (水道)
{19in{59,14}}: fresh water supply (上水道)
{20out{59,14}}:
sewerage (下水道)
{14,48(cover)}: gate (門)
{14,34}:
pipe (by the shape, also) (管)
{{14,34},{(14),10}(road)}: tunnel (トンネル)
{{14,34},{37,66}(tree)}: bamboo (竹)
{03(line),14}: a line for something going through it (何かが通う線)
{03,14,51(power)}: power line (電線)
{03,14,{36,42}(sounds)}: telephone line (電話線)
{14,45(related)}: neck (The main parts of a living body are fundamental
characters ) (首)
{14,45,{48,51}(leg),48}: knee (膝) 
{14,45,{47,61}(foot)}: ankle (足首)
{14,45,16(part)}: (any) joints (ジョイント)
To mean a 'way/method/manner' (to do something) (手段・方法 )
{13(the
same),14}: commonness, be common( with {gd,53}) (共通)
{14,21(heading)}: method, way (方法)
{14,31(shape, form)}: style, form (様式)
{67(life),14,31}: the way to live/life-style (生活様式)
{{15,34,47}
meaning,14(way)}: theory (論理)
{{11,61},14way}: conclusion (結論)
{07(many),14}: diverse, diversification, diversify (vt. #ge) (多用)
{14,57(wonder)}: how (どうやって)
{14,24(stable)}: rule (規則)
{56(action),14}: manner (マナー)
{41(move),14}: transport (交通)
{14,37(nature), 60(true)}: nature science (科学)
{{14,60}(science),68(heart)}: psychology (心理学)
{{14,60}{10,65}(society)}: social science (社会科学)
{{38creation,
65human},14}: education way (教育法)
{38(human
made),14}: technology (技術)
{14
the way to think of, 22 the base/foundation of, 54 existence}:
philosophy (哲学)
{40,60,14(way)}: art
{14,{46,63}(hand)}: technique, skill (わざ)
{46(function),14}: usage, application (利用)
{15,33,42,56}speech,
14 way}: narrative, the skill of speech (話術)
{{01.68}soul,14}:
religion (宗教)
*Main religions in the world
:
Christianity, 
:
Islam, 
: Judaism, 
:
Hinduism and Shinto etc., 
: Buddhism
Related to some width(by the symbol shape) (文字の形から、「幅」に関係して)
{11,14}:
width (はば)
{07(多),{11,14}} : wide (ひろい)
{08(少),{11,14}} : narrow (せまい)
related to parallel vertical lines or a thick long thing, forgetting its original meaning.
(文字の形から、複数ある線状のもの、または幅のある長いものにかかわって)
{02,14}: hair (any kind, any location)(種類を問わず「毛」)
{02,14,{34,54}(head): hair ( on the head)(髪)
{02,14,{15,33,66} face}: hair on the face (any location)(ひげ)
{02,14,{34,39} eye}: eye lashes(まつげ)
{{02,14},{34,39} eye,17(above)}: eyebrow (眉毛)
{02,14,{04,39} mouth,17(above)}: mustache (口髭)
{02,14,43(curled, rolled)}: curly hair (巻き毛)
{02,14,70(space)}: feather (羽)
{{02,14}(hair/straight lines),{21,36,39}(fish)}: fin(ひれ)
{02,14,{24(stable),66(plant)} root}: root hair (of plant) (根毛)
{,
48covered}: covered by hair/hairy
=#H (grid)
/=#H (no-grid)
=-#1 (woven 織られた)
e =-#1 (weave (verb) 織る)
=L-#1 (weaving 織ること)
H=-#1 (woven-fabric 織物)
/H=-#1 (unwoven-fabric 不織布)
u=-# (basket 籠）
{14,66(plant)}: stem (茎) 
{14,{37,66}(tree)}: tree trunk (幹) 
{14,{37,66},{20(out)28(surface)}: bark, skin of plans (樹皮) . 
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