A Few/Few
When we use 'a few' or 'few', the subject of our sentence should be plural, or a countable noun. Both are used to refer to small quantities of things, but, as with 'a little' and 'little', there is a subtle difference in meaning and usage between the two.
A few = some
Few = hardly any
Again, 'few' does not mean anything drastically different without the article, but it has a negative connotation. For example:
Like 'a little', 'a few' can also be used as a pronoun when your meaning is obvious from the context of the conversation.
Like 'little', 'few' is not common without a noun unless used in a more formal context.
So, in summary, 'a little' or 'a few' means a small amount of something, but enough to serve a purpose.
'Little' or 'few' also refers to a small amount, but one that is not sufficient or enough.
However, it is important to note that if little or few are used with a noun that we don't want, then it can have a positive meaning. For example: