We each have a unique understanding of our sexuality and it includes a number of different aspects of our lives, including relationships and intimacy, sexual health and reproduction, sexual identity and others. Sexuality is something we have and develop throughout our lifetime. Look over the link for other definitions related to sexuality.
One holistic model of sexuality was created by Dr. Dennis Dailey and it’s called the 5 circles of sexuality.
Read more about each circle of sexuality here – https://www.health.state.mn.us/people/sexualhealth/circlesofsexuality.pdf.