Yes, absolutely, I can understand. I believe that you can choose to record in your trauma diary, in different ways, in your own timing.
Writing about my trauma is encountering trauma, in another form. You hinted at something I agree with; sometimes writing expresses and releases tensions, and at other times, it can intensify tensions. I follow my intuition, experience, and feelings.
I have chosen to verbally share my trauma with therapists. In my trauma diary, I tend to write about flashbacks that are triggered in my daily life. I guess I do t like to go into them alone.
Do what is comfortable for you.