The - the architect to leave in the first century BCE.

The truvius - the road architect to leave in the first century BCE.
He said that a building must have three fundamental
One, mending is intended use.
Two, be sound which mean strong and three, be beautiful.
He wrote these ideas two thousand years ago and there is still a
foundation of architecture today.
Let’s go these three characteristics and draft.
First, a building must be it an intended use, architects think
about the season the buildings been built they designed it.
For example, the intended use for a school is place to learn,
right? Here are protective themselves.
What type designed is best suit for students and teachers?
Second a building must be structure they sound, what do I
mean like this? I mean the design is following these basic