The phrase 'habite depuis' means reside since. In the word-by-word translation, the verb 'habite' means '[I/he/she/it] dwells, inhabits, lives, resides'. The adverb/preposition 'depuis' means 'since'.
living in Lille since a short time ------ to meet people [usually of the opposite sex]
Recently come to live in Lille, looking for a date.
She lives
Nous sommes .... depuis .... means "we are ... since ..." Ex: nous sommes boulangers depuis 1980 (we are bakers since 1980)
It means "live in."
I live in France
'I live in Belfast'
"Where does she live?" Breakdown: Ou (where) est-ce que (does) elle (she) habite (live)?
You mean the apostrophe?
Pierre habite à la (+ a place having a feminine noun, such as maison, ville, campagne) means 'Pierre lives in ...' in English.
Peter habite au pays de Galles > Peter lives in Wales
Elle habite ici aussi.