What begins with T, ends with T, and has T in it?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

What has lots of eyes, but can’t see?

What time is it when an elephant sits on a fence?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

What kind of tree can you carry in your hand?

The answer I give is yes, but what I mean is no. What was the question?

I am sure no one can have two things for dinner. what are they?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?