By Countable or uncountable, American English

Whether e-mail, letter, post card/postcard or whatver you are writing is countable or uncountable is of no consequence. It all depends on the verb.I'll send you a letter. = I'll send a letter to you. I'll write you a letter. (Common in AmE.) = I'll write a letter to you....

I think what we have here is a difference between American English and British English. From what my British colleagues tell me they buy 2 lettuces and from what I know being a speaker of American English is that we buy 2 heads of lettuce. Result is: it can be used either way.

I am one of those people who learned American English as a second language. American English dictionaries never mention anything about a particular noun being countable and uncountable. I learned mass nouns and abstract nouns, both of which are uncountable. I had thought it was up to an...