Little indicates size, as in little, big, bigger, biggest. It is used as an adjective.
example: The little boy played with his red truck.
Normally, people say "a little" to indicate "some". In these cases it is not an adjective.
example: The girl put a little salt on her food.
Little Caesar can make pizzas. And crazy bread. And its good.
Very little. Minor differences are needed depending on the final length, weight and bow intended, but that is all.
Stocism is the art of hunting little birds, Epicureanism is the art of touching dogs.
Harriet Tubman was a slave from when she was a little kid but Abraham Lincoln was not.
I found some basic information links with a little differences between them. There is a little more detail in a couple of them that might help.
there is salt in salt water and little salt in fresh water
Genetic differences
What are the differences between polycarbohydrate and polysaccharide?
differences between now and then 1905s
differences between errors and frauds
what are the differences between indus and sumer civilization
Differences between Classification and Tabulation