Quantifiers

adjective describing or quantifying the noun 'couple'

preposition showing the relationship between 'a couple' and the following noun

article indicating that 'couple' is not a specific number, but a small, indefinite quantity

• I will need a couple of days to review the documents thoroughly.
• Let's grab a couple of drinks after work.
• I just need a couple of more bucks to buy that new game.
• She has a couple of tricks up her sleeve to win the competition.