By Countable or uncountable, Singular nouns

Hi there, I am from an asian country (korea) and Korean doesn't distinguish countable or uncountable nouns so I have some problem with this concept even though I have been living in english speaking country for 10 years. Now the word "lack" according to the online Longman...

Woodward wrote: Another is used with singular nouns. Other is used with plural nouns (and uncountable nouns). Compare: Another day. Other days. Other can be used with singular countable, plural countable or uncountable nouns. 1. The other window is open. <---- countable 2....