Student or Learner
I want to explain these expression because it confusing me too much. If you do not mind
Most = determiner & pronoun
1 greatest in amount or degree. Who earns the most money?
2 the majority of. Most of the people in the town have a job.
• adverb 1 to the greatest extent. The most important thing in life is to be happy
2 forming the superlative of adjectives and adverbs. The rose is the most beautiful flower
3 very. It was a most beautiful day.