west
The word "Westen" in German translates to "west" in English. It is used to refer to the western direction or region. It can also be used to refer to the western world, as in "der Westen". In addition, it is used in many compound words to indicate something from or related to the west, such as "Westwind" (west wind) or "Westküste" (west coast).
I come from the West.
This sentence is used to indicate the speaker's origins. When they say they come from the 'Westen', they're referring to the western region or western part of a country or world. This can often be used to give an idea of the speaker's cultural background or upbringing.
The sun sets in the West.
This is a general knowledge fact and common phrase used in various cultures and languages. It refers to the universal observation that the sun rises from the eastern horizon and sets or disappears on the western horizon, due to Earth's eastward rotation.
He emigrated to the West.
This sentence is typically used when someone moves from their current location (often an eastern region) to a western region. The term 'Westen' here might also historically refer to Western countries, when people migrated for economic or political reasons.