A glowing blue light appears under the door: sight.
-The word 'appears' means something becoming visible, which refers to what the eye sees.
The buzzing grows louder every second: sound.
-'Louder' indicates that something is making noise that the ear can hear.
The berries are sweet: taste.
-'Sweet' allows us to assume that the berries have a pleasant taste to them.
Suddenly, I feel my knee scrape the rough gravel: touch.
-'Feel' makes the reader imagine having contact with something, like the 'rough gravel' in this case.
