Alliteration - is repetition of similar consonant sounds.
Usually we use alliteration in words, which stay close to each other.
Capitalization - some common nouns written with capital letters.
It makes for several reasons: In adress or personification, which gives some importance and solemnity to the text; To show that words are pronounced with emphasis or loudly.
Onomatopoeia - imitation of sounds, which are produced by people, animals and things.
Direct onomatopoeia:
Indirect onomatopoeia, which is combination of sounds making the sound reflection of the meaning.