When it comes to those assessment questions - it was YOUR abuse, YOUR experience, you can call it whatever feels right to you. You can own it and explore it however best meets your need for healing or validation. Whatever you want to call it for you doesn't need to meet a legal definition or criteria. If it feels like sexual abuse, if it crossed that line to you, if it harmed your developing sexuality or sexual identity or sexual experience or whatever, you can call it that and own it as yours. It doesn't need to meet anyone else's criteria and it is as valid as anyone else's abuse experiences. It harmed you. It was real. It wasn't "nothing"!

edited to add - I can understand why those things he did were all confused with sexuality. Children and teenagers are developing their sexual identity and to have your privacy invaded in that way an paired with violence would have definitely had a negative impact on that development in you.