zudem

In a sentence

• Ich finde die Idee gut, zudem ist sie praktisch.

  I find the idea good; besides, it is practical.

  The word 'zudem' is used to add additional information or reasoning to the main statement.

• Zudem hatte er keine Zeit für das Treffen.

  Furthermore, he did not have time for the meeting.

  Here, 'zudem' introduces another element of support to the argument stated.

• Die Ausstellung war beeindruckend, zudem gab es viele informative Führungen.

  The exhibition was impressive; moreover, there were many informative tours.

  In this sentence, 'zudem' connects the two clauses to indicate an additional positive aspect.