Englishfor English speakers
one
Determinative
—
(ordinal first) The number 1.
We have one nose and one mouth.
one
Noun
—
The number 1.
One is the smallest whole number.
one
Pronoun
—
One is a singular pronoun which means "someone" or "people". It is used more often in formal writing.
It is easy to see the difference if one looks closely enough.
moment
Noun
—
A moment is a very short time. It is not an exact measurement.
Geraldine sat on the bed and thought for a moment.
He jumped out of the way at the last moment.
Don't worry. I'll be back in a moment.
I'm sorry. She's on the phone at the moment. Can I ask who's calling?
Just a moment, please, Sam. I'm talking to your sister.
—
importance
It was a lie, but one of no great moment.
please
Interjection
—
We say "please" when we want to ask someone politely to do something.
Pass the salt, please.
please
Verb
—
Someone pleases someone else when they do what that person likes or wants.
Giving her these flowers will please her.