A measure of admission You'll usually take one Whether to a concert, movie, or other event A paper or electronic way to get to have fun

I tend to be complex But don't over-complicate me. I'm a circulatory system, I'm a business engagement, Television stations use me to broadcast. Computers use me to talk to over another. We are all connected in the grand scheme of things.

A sailing ship, used for war and trading, remove an e and I'm a unit of liquid capacity.

A moment captured in time, traditionally developed from film, now also digitized. A particle of light without the eNding.

I sit in a classroom, quiet and small, But when you turn me on, I grow big on the wall. I shine bright pictures for everyone to see, What kind of machine could I be?