mother
In Italian, 'madre' is used similarly to the English word 'mother'. It is used both formally and informally, in various contexts, to refer to one's birth mother. For example, 'Mia madre' translates to 'My mother'.
My mother cooks pizza.
This sentence is an example of a simple active sentence, where 'mia madre' (my mother) is the subject doing the action of cooking pizza.
My mother's house is big.
This sentence introduces possessive pronouns with 'di mia madre' (of my mother), as a way of expressing something belongs to another person, similar to 's in English.
Mother nature is beautiful.
This sentence uses 'Madre natura' to refer to nature as if it's a person, which is a common figurative language device used in many languages known as personification.