Pinyin Tones

There are four tones (pitch) and one neutral tone. Each pinyin tones is different way to pronounce the word and it has different syllable. First tone is flat tone, Second tone is upword and long, third tone falls and then rise again, and fourth tone is downward.
For video link https://www.youtube.com/watch?v=eD92CxvJKak&t=18s