It is the "tu command" meaning, "Do this!"
Je vous ai informé au sujet de ceci in French means "I have informed you about this" in English.
"as follows" in French can be translated as "comme suit."
this could be yours is translated "ceci / cela pourrait être à vous" in French
"This is not a pipe."
"Why this?" Pourquoi=why, ceci=this (Note there are several translations of "this"). Ceci is the pronoun this.
pour means for in English. J'ai écrit ceci pour vous > I wrote that for you.
ceci
ceci - celui-çi
ceci
de ceci
= this It provides more emphasis on the object you are talking about, so it is like saying "this here," without the negative connotation that it carries in English.
ceci means 'this' in French. 'pari' (masculine noun, plural 'paris') means a bet or gamble.