instructions / guidance
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instructions
A written or spoken explanation that describes how to use, assemble, or carry out something.
Ohne die Anleitung hätte ich das Regal niemals aufbauen können.
Without the instructions, I would never have been able to assemble the shelf.
'Die Anleitung' (instructions/guidance) is a noun derived from the verb 'anleiten' (to guide or instruct someone). The ending '-ung' turns the verb into a feminine noun.
Ein erfahrener Kollege wird dich in den ersten Wochen anleiten.
An experienced colleague will guide you during the first few weeks.
You can recognize the meaning from the context: If it is about a thing (e.g., a device, a recipe), it means written or spoken instructions. If it is about a person, it means personal supervision by an expert.
Ich brauche die Anleitung für die neue Kaffeemaschine.
I need the instructions for the new coffee machine.
When referring to instructions, typical combinations are 'eine Anleitung für etwas' (instructions for something), 'einer Anleitung folgen' (to follow instructions), or compound words such as 'Bedienungsanleitung' (user manual) and 'Bauanleitung' (assembly instructions).
Bitte folgen Sie genau der Anleitung auf der Verpackung.
Please follow the instructions on the packaging exactly.
In the sense of 'Betreuung' (supervision), the fixed expression 'unter der Anleitung von jemandem' (under someone's guidance) is almost always used. This emphasizes the leading role of the experienced person.
Das junge Team entwickelte die Software unter der Anleitung eines erfahrenen Projektmanagers.
The young team developed the software under the guidance of an experienced project manager.
leadership / tour / lead
'die Führung' and 'die Anleitung' can both mean that someone helps others find the right path or the right way to do something. 'die Führung' means either the leadership of a group or a guided tour with explanations, for example in a museum. 'die Anleitung' more often means concrete instructions on how to do, use, or learn something. It can be written, or it can be provided by an experienced person. The words can be confused because both have to do with helping and guiding. If someone leads a group or guides people through a place, 'Führung' fits. If someone explains step by step how something works, 'Anleitung' fits.
Nina liest die Anleitung, bevor sie das neue Regal zusammenbaut.
Nina reads the instructions before assembling the new shelf.
Im Museum beginnt die Führung um zehn Uhr am Eingang.
In the museum, the guided tour starts at ten o'clock at the entrance.