This is the 4571st most frequent German word.
schmücken
To decorate or adorn.
In this sentence, 'schmücken' is used to mean decorating or adorning the Christmas tree with ornaments, which is the direct application of the verb in the context of festive activities.
Sie schmücken den Weihnachtsbaum mit bunten Kugeln.
They decorate the Christmas tree with colorful ornaments.
Here, 'schmücken' refers to the act of adorning or adding aesthetic appeal, specifically through accessories such as jewelry to enhance appearance.
Der Schmuck schmückt den Hals der Trägerin.
The jewelry adorns the neck of the wearer.
In this example, 'schmücken' carries the meaning to decorate or prepare a location or object (the city) in anticipation of an event, reflecting a societal or communal preparation activity.