What is the work of a judge in Germany?

EDITORIAL LEARNING AID

Why is this answer correct?

The task of judges is to administer justice, that is, to decide disputes and pronounce judgments. Governing, drawing up plans and passing laws are tasks of the government, the administration and parliament.

Judges administer justice; they do not pass laws.

This translation and explanation are editorial learning aids. The official German wording and answer key govern the examination.