It means he or it speaks in French.
You would say "Il parle en français" in French.
It means "He does not speak French as it"
Do you mean the subject of a sentence involving 'parle'? The word 'parle' in French is the conjugated form of the verb 'parler' which means to speak, or to talk. The subject of a sentence with parler conjugated like that would be 'je', meaning 'I' in English, or 'il/elle/on' which is 'he/she/we(one)'. Je parle... I speak... Il parle... He speaks... Elle parle... She speaks... On parle... We/One speaks...
Does he speak French = Est-ce qu'il parle français
il parle français couramment, il parle très bien français
he speaks French
"qui me parle" means "who's talking to me" in French.
Il parle anglais (there is no such language as 'American' in French)
"Y a-t-il quelqu'un qui parle français ?". Note that the "t" in "y a-t-il" doesn't mean anything, it is just there for the pronounciation. (the affirmative would be "il y a ..."
Il / elle parle trop means He / she speaks too much.
"He speaks" is a literal English equivalent of the French phrase Il parle. The pronunciation of the declarative statement in the third person singular of the present indicative -- which also translates as "He does speak" or "He is speaking" according to context -- will be "eel parl" in French.
'le garçon parle' means 'the boy is speaking' in French.