Phonemic Awareness: awareness of speech sounds of consonants and vowels, and the ability to manipulate sounds 

Phonics: the study of the relationship between letters (phonemes) and sounds (graphemes) 

Vocabulary: a body of word used in a language

Fluency: the rate, accuracy, and prosody in which we read

Comprehension: the ability to decode written language and understand language comprehension to process the text and understand the meaning