what do je ,tu ,il elle, on ,qui ,nous ,vous ,ils and elles mean in english?

Answer 1

je - I
tu = you (familiar, someone with whom you are on a first-name basis
il = he, or "it" as a masculine noun
elle = she, or "it" as a feminine noun
on = one, "people" or "we" etc.
qui = who
nous = we (you and I, etc.)
vous = you (singular or plural but formal, now you are not on a first-name basis = Mr., Mrs., etc.)
ils = they (people and/or things)
elles = they (people and or things but feminine only)

Sra (aka Mme)