An e-signature is a signature made electronically, so a document can be agreed to without ink on paper. That might be typing your name, drawing with a finger on a screen, clicking “I agree,” or a stronger, locked-and-checked mark used in law and business so people can trust that it was really you.

An e-signature電子簽章 is a signature made electronically是用電子方式做出的簽名，so這樣 a document can be agreed to without ink on paper文件不用紙上墨水簽名也能算同意。That might be這可能是 typing your name打出你的名字、drawing with a finger on a screen用手指在螢幕上畫、clicking "I agree,"點「我同意」，or或是 a stronger, locked-and-checked mark used in law and business在法律和商業上用的、更強、有鎖定核對機制的簽章，so這樣 people can trust that it was really you大家才能相信真的是你本人。

How serious it feels depends on the situation: a delivery driver handing you a screen is casual; a contract with a certified e-signature is formal.

How serious it feels它感覺有多正式 depends on the situation要看情況：a delivery driver handing you a screen送貨員拿螢幕給你簽 is casual是很隨便的；a contract with a certified e-signature用認證過電子簽章的合約 is formal是正式的。

People also say electronic signature. It is a practical, slightly official word.

People大家 also say也會說 electronic signature electronic signature（電子簽名）。It這個字 is a practical, slightly official word是實用、帶點官方感的字。

Though actually, not every scribble on a phone is as strong in law as the heavy kind — countries draw that line in different places.

Though actually不過其實，not every scribble on a phone不是每個在手機上隨手畫的簽名 is as strong in law as the heavy kind在法律上都跟那種正式的一樣有效力——countries draw that line in different places各國畫這條界線的地方不一樣。