What is the purpose of sentence diagrams

Paragraph 1- introduction- when- wheremy favourite place is the beach. i go tothe beachthe beach islocated inthe beach isparagraph 2sightas soon as i arrive at the beach, i cansee -(noun) it is(adjectives). i can also see(noun) which isandparagraph 3- weatherparagraph 4- sight- peoplethe weather is(adjective). the sun isthere arein the sky. thetrees arei can see(people).they are(activities).(children).there are alsothey& (activitiesarefeelings).at the beach i love to hear the soundsthey make me feel(feelings).i enjoy the smell ofthehate the smellmakes me hungry.areparagraph 5soundsparagraph 6smellaroma of