University admissions often require writing Statement of Purpose (SOP). Please find some resources below. Best of luck with your admission!
Samples:
http://graphics.stanford.edu/~zhossain/grad/sop_mit.pdf
https://www.cc.gatech.edu/fce/people/jmankoff/gradschool/sops.html
DOs:
http://users.ece.cmu.edu/~mabdelm/statement-of-purpose-tips.html
Don'ts:
https://www.cs.cmu.edu/~pavlo/blog/2015/10/how-to-write-a-bad-statement-for-a-computer-science-phd-admissions-application.html
Guidelines:
https://web.mit.edu/msrp/myMSRP/docs/Statement%20of%20purpose%20guidelines.pdf
https://gradschool.cornell.edu/diversity-inclusion/recruitment/prospective-students/writing-your-
statement-of-purpose/
https://grad.ucla.edu/asis/agep/advsopstem.pdf
Samples:
http://graphics.stanford.edu/~zhossain/grad/sop_mit.pdf
https://www.cc.gatech.edu/fce/people/jmankoff/gradschool/sops.html
DOs:
http://users.ece.cmu.edu/~mabdelm/statement-of-purpose-tips.html
Don'ts:
https://www.cs.cmu.edu/~pavlo/blog/2015/10/how-to-write-a-bad-statement-for-a-computer-science-phd-admissions-application.html
Guidelines:
https://web.mit.edu/msrp/myMSRP/docs/Statement%20of%20purpose%20guidelines.pdf
https://gradschool.cornell.edu/diversity-inclusion/recruitment/prospective-students/writing-your-
statement-of-purpose/
https://grad.ucla.edu/asis/agep/advsopstem.pdf