There is only one word in written Arabic for "the" (which is al or ال). The exception is in spoken Arabic: words beginning with "sun" or shamsiyyah letters change the sound of the al slightly.

Here are the sun letters:

If a word begins with the letter "n" like today's word nafTwhen you add the definitive article al to the beginning of the word, its sound changes. It becomes an-nafT.

Another word of the day was sufrah, dining area, so when you say "the dining area" you say as-sufrah. And so on.

ويع way: Ew!
منتهية mintahiyyah It is finished, gone past
صلاحيتة SalaaHiittah Its use-by date
صار Saar It became