wife
The French word for wife is 'femme'. It is used much in the same way as in English, to refer to a married woman, specifically the wife of the person speaking. It can also mean 'woman', so the context is important when using this word.
The woman is intelligent.
In this sentence, 'La femme' translates directly as 'The woman', The verb 'est' translates as 'is', and 'intelligente' translates as 'intelligent'. This is a simple sentence stating a characteristic of the woman.
This woman is reading a book.
Here, 'Cette femme' means 'This woman'. The verb 'lit' means 'is reading', and 'un livre' translates to 'a book'. The sentence describes an action the woman is performing.
The woman is eating an apple.
This sentence translates as, 'La femme' meaning 'The woman', 'mange' meaning 'is eating', and 'une pomme' which translates to 'an apple'. This sentence provides a simple portrayal of a woman eating an apple.