city
The German word 'Stadt' is used to describe a large, densely populated urban area. It is equivalent to the English word 'city'. 'Stadt' can refer to both the physical location and the administrative entity. For example, 'Berlin ist eine Stadt' means 'Berlin is a city'.
The city is very beautiful.
This sentence is a simple declarative statement using the adjective 'schön' (beautiful) to describe the noun 'Stadt' (city).
I live in this city.
This statement uses the preposition 'in' with the demonstrative 'dieser' (this) to specify a particular 'Stadt' (city). It uses the first person singlular pronoun 'Ich' (I) and the verb 'lebe' (live).
We are visiting the city tomorrow.
This sentence uses the first person plural pronoun 'Wir' (we), the verb 'besuchen' (visit), the definite article 'die' (the), the noun 'Stadt' (city), and the adverb 'morgen' (tomorrow) to create a future tense sentence.