This is the 5706th most frequent French word.
cette
"Cette" means "this" or "that" (feminine singular).
Here, 'cette' is a demonstrative adjective used before 'maison' (a feminine singular noun) to indicate a specific house.
Cette maison est très grande.
This house is very large.
'Cette' in this sentence is again a demonstrative adjective that highlights 'chanson' as the specific song being referred to.
J'aime cette chanson.
I like this song.
In this example, 'cette' is used as a demonstrative adjective to point out 'étoile', emphasizing which star one should observe.