This is the 2447th most frequent German word.
rucksack
A backpack or a bag carried on the back.
In this case, 'Rucksack' is used metaphorically to convey the importance and reliability of the item in the context of travel.
Der Rucksack ist ein treuer Begleiter auf meinen Reisen.
The backpack is a faithful companion on my travels.
In this sentence, 'Rucksack' is used to refer to a physical item, specifically a backpack used for carrying items during a hike.
Ich habe meinen Rucksack gepackt und bin bereit für die Wanderung.
I packed my backpack and am ready for the hike.
Here, 'Rucksack' is used to describe the subject of the sentence, highlighting its features and functionality.