Englishfor English speakers
postage
Noun
—
Postage is money that is paid to have a letter or package delivered to someone.
Mary paid 50 cents for postage.
for
Preposition
—
shows that something belongs to something else, or has a specific function
This cake is for you.
This is a net for catching fish.
—
For is used to show the reason for something
He was angry, for he had never been called such terrible names before.
for
Subordinator
—
For introduces a clause with a subject and a to-infinitive
It's not good for you to be too relaxed.
letters
—
noun
the literary culture
this book shows American letters at its best
—
noun
scholarly attainment
he is a man of letters