UTI or Urinary Tract Infection is an infection in any part the uninary system. Anyone can get UTI, however, people with vaginas are at a higher risk of getting infected because the urethra is shorter. UTI affects the urinary system - namely, the urethra, bladder and the kidneys.
Sources:
https://www.healthline.com/health/urinary-tract-infection-adults
https://www.webmd.com/women/guide/your-guide-urinary-tract-infections
https://medlineplus.gov/urinarytractinfections.html
https://www.mayoclinic.org/diseases-conditions/urinary-tract-infection/symptoms-causes/syc-20353447
https://my.clevelandclinic.org/health/diseases/9135-urinary-tract-infections