If 'comment' in the question is an English word, then the response depends entirely on what comment was made and about what.
If 'comment' in the question is the french word "comment ?" ,which is usually followed by a question mark or an exclamation mark, this is a reaction to what you just said. Some possible meanings are
The nearest single English word to translate "comment" is 'what ?"
c'est comment means 'how is it' in French.
Comment viens-tu à l'école? in French is "How do you come to school?" in English.
RSVP is a French term / phrase asking you to respond. You don't need to respond is "French".
"Comment ça va?" is how you say "How have you been?" in French
Salut, comment vas-tu
"How?" in English is Comment? in French.
Comment? in French is "How?" in English.
comment means 'how' in French.
"Comment s'appelle ton père" in French translates to "What is your father's name?" in English. So, if someone asks you that, you can simply respond with your father's name. Easy peasy lemon squeezy!
c'est comment means 'how is it' in French.
It can be either one, depending on your meaning. You would "respond to" a question or comment directed at you. You would "respond for" someone else who cannot respond for themselves.
No comment is "sans commentaire" or "pas de commentaire" in French.
comment(CUHM-oh)
a comment is un commentaire
The French phrase "How are you?" is spelled "Comment ça va ?" or "Comment vas-tu ?"
comment t'appelles-tu? / comment tu t'appelles? = what's your name?
"Comment ça va?" is how you ask "How are you doing?" in French.