Electricity and communication with 電
電 primarily means “lightning” or “electricity”. It is used to refer to electrical energy and devices powered by it.
Etymology
The kanji is a phono-semantic compound made from 雨 (rain) and 申 as the sound-giving element, with the combined sense of lightning.
Communication
電話 (Telephone)
電話 refers to a means of communication that allows people in different locations to speak to each other in real time, or to the device used for this purpose.
It combines 電 (electric) with 話 (talk) to show talk carried by electricity.

At Professor Agasa’s request, Ran takes Conan home to see if her father will let him stay over for a while. When they reach Ran’s place, her detective father bursts out of the front door, saying he’s heading out on a job.
- 小五郎
( : - 「さっき電話
( があったんだよ!!」- “I just got a call!!”
- 「娘
( が黒( ずくめの男( に誘拐( されたと、親( から依頼( が来( た!!」- “A request came from the parent, saying his daughter was kidnapped by a man dressed in all black!!”
- 「オレの力
( を借( りたいってな!!」- “He wants my help!!”
- “I just got a call!!”
Power
電池 (Battery)
電池
It combines 電 (electricity) with 池 (stored pool) to show a stored electricity.

At a nighttime festival, Sacchan, Yui, and Kotoha receive glowing star necklaces to wear. After some time, Sacchan’s mother arrives to pick them up.
- 結衣
( : - 「あ 私
( のピカピカもう電池( 切( れちゃった」- “Ah, my sparkler's battery has already run out.”
- 母
( さん: - 「あらま 光
( ってる方( が安全( でいいのに」- “Oh dear, it's safer and better when it's lit up.”
電柱 (Utility pole)
電柱
It combines 電 (electric) with 柱 (pillar) to express the idea of an electric utility pole.

After piano class, Naoko hurries home only to see a ghostly figure appear from within a lake at the park. She recalls the events to her friends at school.
- 桜
( : - 「な…奈緒子
( ちゃん なにかを見( 間( 違( っちゃったってことは…… (木( とか電柱( とか看板( とか)」- “Na... Naoko, could it be that you ended up seeing something wrong...... (like a tree or a utility pole sign or something)?”
- 「……ないよね」
- “......I guess not.”
- “Na... Naoko, could it be that you ended up seeing something wrong...... (like a tree or a utility pole sign or something)?”
懐中電灯 (Flashlight)
懐中電灯
It combines 懐中 (on one's person) with 電灯 (electric lamp) to show a portable lamp kept close at hand.

Ayumi leaves the bag with her new Masked Yaiba doll outside while she’s in the restroom. When she returns, she finds the bag waiting for her, but the doll is gone. Ran suggests someone may have taken her bag by mistake. Genta decides to see what’s in the bag Ayumi brought back, dumping its contents onto the ground.
- 元太
( : - 「えーっと… 地図帳
( に双眼鏡( に…」- “Um... an atlas, binoculars...”
- 「懐中電灯
( …」- “...a flashlight...”
- “Um... an atlas, binoculars...”
Transport
電車 (Train)
電車
It combines 電 (electric) with 車 (vehicle) to show a vehicle powered by electricity.

Yui and her friends get permission to ride the train to continue their search for the legendary giant robot. Tickets are listed as 70 yen for children.
- さっちゃん:
- 「動物園
( はタダなのに」- “Even though the zoo is free...”
- 結衣
( : - 「電車
( は動物( より強( い」- “Trains are stronger than animals.”
- 琴葉
( : - 「ティラノサウルスより強
( い」- “Stronger than a Tyrannosaurus.”