Particle - で - Using - by, with, using
で is a particle that indicates meaning "using" or "by means of". It always follows the noun that is being used. The particle can be used to indicate not only the use of concrete things such as money, but also abstract things, such as time.
Today I came by train
A scarf made of wool
Do you go to office by train?
The sky is full of stars
Japan is famous for Mt. Fuji
I go to school by subway
There was an accident at the intersection
Please speak more loudly
That boy tried eating with chopsticks
That automobile runs on electricity