This is the 255th most frequent French word.
parle
"Parle" means "speaks" or "is speaking."
Here, 'parle' is used to indicate the first-person singular (I speak) in the present tense.
Je parle français tous les jours.
I speak French every day.
In this sentence, 'parle' is used for the third-person singular (He talks) in the present tense, referring to the topic of a conversation.
Il parle de ses vacances avec enthousiasme.
He talks about his holiday with enthusiasm.
Here, 'parles' (a variation of 'parle') is addressing the second-person singular informal (you speak) in the present tense, indicated by the inversion question form in French.