der Zutritt
access
The permission or possibility to enter a particular place, building, or area.
Der Zutritt zum Backstage-Bereich ist nur mit einem speziellen Ausweis gestattet.
Access to the backstage area is only permitted with a special ID.

access
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access
The permission or possibility to enter a particular place, building, or area.
Der Zutritt zum Backstage-Bereich ist nur mit einem speziellen Ausweis gestattet.
Access to the backstage area is only permitted with a special ID.

'Der Zutritt' (access) is related to the verb 'treten' (to step) and the prefix 'zu-' (towards). So it literally describes the act of approaching a place and entering it.
Bitte treten Sie näher.
Please step closer.
The noun 'Zutritt' (access) is almost always used with the preposition 'zu' + dative to name the place that one is allowed or wants to enter.
Haben Sie Zutritt zu den geheimen Akten?
Do you have access to the secret files?
Common verbs used with 'Zutritt' (access) are 'Zutritt haben' (to have access), 'Zutritt bekommen' (to get access), 'jemandem Zutritt gewähren' (to grant someone access/allow someone in), or 'jemandem Zutritt verweigern' (to deny someone access/forbid someone to enter).
Der Wachmann verweigerte uns den Zutritt.
The security guard denied us access.
'Zutritt' (access) is a formal and official word. You often find it on signs, in rules, or in official documents.
Auf dem Schild stand: „Zutritt für Unbefugte verboten!“
The sign said: 'No unauthorized access!'
access / entrance
'der Zugang' and 'der Zutritt' can both mean that you can enter a place or area. 'Zutritt' is used especially when it is about permission to enter a specific area, for example on signs: 'Zutritt verboten' (no entry). 'Zugang' can also mean the route, the door, or the general possibility of getting in. In addition, 'Zugang' is also used for digital services; 'Zutritt' normally is not. The words are easy to confuse because both fit when talking about entering places. For rules at doors, 'Zutritt' often sounds more precise; for routes and general possibilities, 'Zugang' is more likely.

Im Labor ist der Zutritt nur für Mitarbeiter erlaubt.
In the laboratory, access is permitted only for employees.
Der Zugang zum Garten führt durch eine kleine Tür neben dem Haus.
The entrance to the garden leads through a small door next to the house.