请问一下这是什么意思It's V.

Meanings for V

"V is for Victory," as popularized by Winston Churchill during World War II.
"V" can also mean "Vendetta", a jab at the above slogan, as in the graphic novel and movie V for Vendetta (see below).
For the novel by Thomas Pynchon, see V. (including the period)
In astronomy,
V magnitude is an object's magnitude seen through a V (visual) filter
V stands for a November 1 through 15 discovery, in the provisional designation of a comet (e.g. C/1680 V1, Kirch's Comet) or asteroid (e.g. (3360) 1981 VA).
V would stand for Venus, in the provisional designation of any ring or natural satellite discovered around it.
In biochemistry, V is the symbol for valine.
In chemistry, V is the symbol for vanadium.
In comics, V is the name given by the mysterious protagonist of the 1980s graphic novel V for Vendetta by Alan Moore and David Lloyd and its 2006 film version.
V (character