
das Zeichen
sign / symbol
A symbol, figure, or marking that has a specific, established meaning.
Das @-Zeichen ist ein fester Bestandteil von E-Mail-Adressen.
The @ symbol is a fixed part of email addresses.
sign / symbol
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sign / symbol
A symbol, figure, or marking that has a specific, established meaning.
Das @-Zeichen ist ein fester Bestandteil von E-Mail-Adressen.
The @ symbol is a fixed part of email addresses.

signal / sign
A gesture, sound, or signal that serves as a nonverbal message.
Der Schiedsrichter gab mit einem Pfiff das Zeichen zum Spielbeginn.
The referee gave the signal to start the game with a whistle.

sign / indication
An indication or clue that points to a certain condition or future development.
Dunkle Wolken am Himmel sind oft ein Zeichen für bevorstehenden Regen.
Dark clouds in the sky are often a sign of approaching rain.

character
A single element of a writing system, such as a letter, digit, or punctuation mark.
Dein Passwort muss mindestens acht Zeichen lang sein.
Your password must be at least eight characters long.

to send a message
To communicate a certain message or demonstrate a clear stance through an action.
Mit der Demonstration wollten die Bürger ein Zeichen für den Klimaschutz setzen.
With the demonstration, the citizens wanted to send a message in support of climate protection.
'Das Zeichen' belongs to the word family of 'zeichnen' (to draw). A Zeichen (sign/symbol) is often something that you can draw or write in order to convey information.
Er zeichnete ein Herz in den Sand.
He drew a heart in the sand.
In the meaning 'Signal' (signal), 'Zeichen' is often used with the verb 'geben' (to give). You can also say 'auf ein Zeichen warten' (to wait for a signal).
Gib mir ein Zeichen, wenn du fertig bist.
Give me a signal when you're finished.
When 'Zeichen' describes an indication or symptom, it often appears with the preposition 'für' (for) or with a genitive to explain what it points to.
Seine Müdigkeit war ein Zeichen für Überarbeitung.
His tiredness was a sign of overwork.
The meaning 'Schriftzeichen' (written character) or 'character' is almost always used in the context of texts, computers, or passwords. Often an exact number is required.
Die Nachricht darf nicht mehr als 160 Zeichen haben.
The message may not have more than 160 characters.
The expression 'ein Zeichen setzen' means to show a clear opinion through an action. You often set a Zeichen 'für' something (e.g., peace) or 'gegen' something (e.g., racism).
Die Sportler setzten mit ihrer Geste ein Zeichen gegen Diskriminierung.
With their gesture, the athletes sent a message against discrimination.
hint / notice
A Zeichen and a Hinweis can both draw attention to a problem or a particular condition. A Zeichen is more likely to be an observed phenomenon that has to be interpreted; a Hinweis usually provides useful information or a clue. Zeichen fits a noticeable observation, while Hinweis is more appropriate for helpful information.

Die dunklen Wolken waren ein Zeichen für ein nahendes Unwetter.
The dark clouds were a sign of an approaching storm.
Die dunklen Wolken waren ein Hinweis darauf, dass wir den Schirm mitnehmen sollten.
The dark clouds were a hint that we should take an umbrella.